86598321 has 16 divisors (see below), whose sum is σ = 119919360. Its totient is φ = 55520640.

The previous prime is 86598319. The next prime is 86598329. The reversal of 86598321 is 12389568.

It is not a de Polignac number, because 86598321 - 2¹ = 86598319 is a prime.

It is not an unprimeable number, because it can be changed into a prime (86598329) 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, 21741 + ... + 25413.

It is an arithmetic number, because the mean of its divisors is an integer number (7494960).

Almost surely, 2^86598321 is an apocalyptic number.

It is an amenable number.

86598321 is a deficient number, since it is larger than the sum of its proper divisors (33321039).

86598321 is a wasteful number, since it uses less digits than its factorization.

86598321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3976.

The product of its digits is 103680, while the sum is 42.

The square root of 86598321 is about 9305.8218873993. The cubic root of 86598321 is about 442.4217717372.

The spelling of 86598321 in words is "eighty-six million, five hundred ninety-eight thousand, three hundred twenty-one".