86609964 has 48 divisors (see below), whose sum is σ = 231452928. Its totient is φ = 24692928.

The previous prime is 86609953. The next prime is 86609969. The reversal of 86609964 is 46990668.

It is not an unprimeable number, because it can be changed into a prime (86609969) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56107 + ... + 57629.

It is an arithmetic number, because the mean of its divisors is an integer number (4821936).

Almost surely, 2^86609964 is an apocalyptic number.

86609964 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

86609964 is an abundant number, since it is smaller than the sum of its proper divisors (144842964).

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

86609964 is a wasteful number, since it uses less digits than its factorization.

86609964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2214 (or 2212 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 48.

The square root of 86609964 is about 9306.4474424992. The cubic root of 86609964 is about 442.4415984720.

The spelling of 86609964 in words is "eighty-six million, six hundred nine thousand, nine hundred sixty-four".