86564424 has 16 divisors (see below), whose sum is σ = 216411120. Its totient is φ = 28854800.

The previous prime is 86564419. The next prime is 86564453. The reversal of 86564424 is 42446568.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1803402 + ... + 1803449.

It is an arithmetic number, because the mean of its divisors is an integer number (13525695).

Almost surely, 2^86564424 is an apocalyptic number.

It is an amenable number.

86564424 is an abundant number, since it is smaller than the sum of its proper divisors (129846696).

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

86564424 is a wasteful number, since it uses less digits than its factorization.

86564424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3606860 (or 3606856 counting only the distinct ones).

The product of its digits is 184320, while the sum is 39.

The square root of 86564424 is about 9304.0004299226. Note that the first 3 decimals coincide. The cubic root of 86564424 is about 442.3640387936.

The spelling of 86564424 in words is "eighty-six million, five hundred sixty-four thousand, four hundred twenty-four".