86223904 has 24 divisors (see below), whose sum is σ = 182812140. Its totient is φ = 39795456.

The previous prime is 86223889. The next prime is 86223911. The reversal of 86223904 is 40932268.

It can be written as a sum of positive squares in 2 ways, for example, as 63680400 + 22543504 = 7980^2 + 4748^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86223904.

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, 103219 + ... + 104050.

Almost surely, 2^86223904 is an apocalyptic number.

It is an amenable number.

86223904 is an abundant number, since it is smaller than the sum of its proper divisors (96588236).

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

86223904 is a wasteful number, since it uses less digits than its factorization.

86223904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207292 (or 207284 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 86223904 is about 9285.6827428036. The cubic root of 86223904 is about 441.7832314778.

The spelling of 86223904 in words is "eighty-six million, two hundred twenty-three thousand, nine hundred four".