891896 has 8 divisors (see below), whose sum is σ = 1672320. Its totient is φ = 445944.

The previous prime is 891893. The next prime is 891899. The reversal of 891896 is 698198.

It is an interprime number because it is at equal distance from previous prime (891893) and next prime (891899).

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (891893) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55736 + ... + 55751.

It is an arithmetic number, because the mean of its divisors is an integer number (209040).

2⁸⁹¹⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

891896 is a deficient number, since it is larger than the sum of its proper divisors (780424).

891896 is a wasteful number, since it uses less digits than its factorization.

891896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111493 (or 111489 counting only the distinct ones).

The product of its digits is 31104, while the sum is 41.

The square root of 891896 is about 944.4024565830. The cubic root of 891896 is about 96.2582744334.

The spelling of 891896 in words is "eight hundred ninety-one thousand, eight hundred ninety-six".