86923656 has 96 divisors (see below), whose sum is σ = 245893440. Its totient is φ = 27713664.

The previous prime is 86923637. The next prime is 86923687. The reversal of 86923656 is 65632968.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178245 + ... + 178731.

It is an arithmetic number, because the mean of its divisors is an integer number (2561390).

Almost surely, 2^86923656 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 86923656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122946720).

86923656 is an abundant number, since it is smaller than the sum of its proper divisors (158969784).

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

86923656 is a wasteful number, since it uses less digits than its factorization.

86923656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 603 (or 596 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The square root of 86923656 is about 9323.2856869239. The cubic root of 86923656 is about 442.9751135495.

The spelling of 86923656 in words is "eighty-six million, nine hundred twenty-three thousand, six hundred fifty-six".