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896 = 277

• 896 can be written using four 4's:

See also 113.
896 has 16 divisors (see below), whose sum is σ = 2040. Its totient is φ = 384.

The previous prime is 887. The next prime is 907. The reversal of 896 is 698.

It is a tau number, because it is divible by the number of its divisors (16).

It is an ABA number since it can be written as A⋅BA, here for A=7, B=2.

It is an alternating number because its digits alternate between even and odd.

Its product of digits (432) is a multiple of the sum of its prime divisors (9).

It is a nialpdrome in base 2 and base 4.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

896 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (3) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 125 + ... + 131.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1020).

896 is an abundant number, since it is smaller than the sum of its proper divisors (1144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

896 is an equidigital number, since it uses as much as digits as its factorization.

896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21 (or 9 counting only the distinct ones).

The product of its digits is 432, while the sum is 23.

The square root of 896 is about 29.9332590942. The cubic root of 896 is about 9.6405690567.

Adding to 896 its sum of digits (23), we get a palindrome (919).

Subtracting from 896 its product of digits (432), we obtain a palindrome (464).

The spelling of 896 in words is "eight hundred ninety-six", and thus it is an aban number and an oban number.

Divisors: 1 2 4 7 8 14 16 28 32 56 64 112 128 224 448 896