890873856 has 96 divisors (see below), whose sum is σ = 2639145600. Its totient is φ = 296939520.

The previous prime is 890873821. The next prime is 890873887. The reversal of 890873856 is 658378098.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47241 + ... + 63351.

It is an arithmetic number, because the mean of its divisors is an integer number (27491100).

Almost surely, 2^890873856 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 890873856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1319572800).

890873856 is an abundant number, since it is smaller than the sum of its proper divisors (1748271744).

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

890873856 is a wasteful number, since it uses less digits than its factorization.

890873856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16142 (or 16116 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 54.

The square root of 890873856 is about 29847.5100469034. The cubic root of 890873856 is about 962.2148859453.

The spelling of 890873856 in words is "eight hundred ninety million, eight hundred seventy-three thousand, eight hundred fifty-six".