923648 has 48 divisors (see below), whose sum is σ = 2063880. Its totient is φ = 409600.

The previous prime is 923641. The next prime is 923653. The reversal of 923648 is 846329.

It is a super-3 number, since 3×923648³ = 2363963339886821376, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

Its product of digits (10368) is a multiple of the sum of its prime divisors (54).

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (923641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22508 + ... + 22548.

2⁹²³⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 923648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031940).

923648 is an abundant number, since it is smaller than the sum of its proper divisors (1140232).

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

923648 is a wasteful number, since it uses less digits than its factorization.

923648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74 (or 54 counting only the distinct ones).

The product of its digits is 10368, while the sum is 32.

The square root of 923648 is about 961.0660747316. The cubic root of 923648 is about 97.3872639554.

The spelling of 923648 in words is "nine hundred twenty-three thousand, six hundred forty-eight".