86503998 has 32 divisors (see below), whose sum is σ = 208131840. Its totient is φ = 23414400.

The previous prime is 86503969. The next prime is 86504021. The reversal of 86503998 is 89930568.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53403 + ... + 54998.

It is an arithmetic number, because the mean of its divisors is an integer number (6504120).

Almost surely, 2^86503998 is an apocalyptic number.

86503998 is an abundant number, since it is smaller than the sum of its proper divisors (121627842).

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

86503998 is a wasteful number, since it uses less digits than its factorization.

86503998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108432.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 86503998 is about 9300.7525501972. The cubic root of 86503998 is about 442.2610845997.

The spelling of 86503998 in words is "eighty-six million, five hundred three thousand, nine hundred ninety-eight".