86398356 has 72 divisors (see below), whose sum is σ = 223588960. Its totient is φ = 25945920.

The previous prime is 86398343. The next prime is 86398379. The reversal of 86398356 is 65389368.

It is a congruent number.

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, 227775 + ... + 228153.

Almost surely, 2^86398356 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86398356, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111794480).

86398356 is an abundant number, since it is smaller than the sum of its proper divisors (137190604).

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

86398356 is a wasteful number, since it uses less digits than its factorization.

86398356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 565 (or 552 counting only the distinct ones).

The product of its digits is 933120, while the sum is 48.

The square root of 86398356 is about 9295.0715973574. The cubic root of 86398356 is about 442.0809758618.

The spelling of 86398356 in words is "eighty-six million, three hundred ninety-eight thousand, three hundred fifty-six".