86197320 has 96 divisors (see below), whose sum is σ = 305622720. Its totient is φ = 20895360.

The previous prime is 86197297. The next prime is 86197369. The reversal of 86197320 is 2379168.

86197320 is a `hidden beast` number, since 8 + 619 + 7 + 32 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6924 + ... + 14843.

It is an arithmetic number, because the mean of its divisors is an integer number (3183570).

Almost surely, 2^86197320 is an apocalyptic number.

It is an amenable number.

86197320 is an abundant number, since it is smaller than the sum of its proper divisors (219425400).

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

86197320 is a wasteful number, since it uses less digits than its factorization.

86197320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21795 (or 21788 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 86197320 is about 9284.2511814362. The cubic root of 86197320 is about 441.7378242220.

The spelling of 86197320 in words is "eighty-six million, one hundred ninety-seven thousand, three hundred twenty".