86206928 has 20 divisors (see below), whose sum is σ = 171101028. Its totient is φ = 42051840.

The previous prime is 86206889. The next prime is 86206931. The reversal of 86206928 is 82960268.

It can be written as a sum of positive squares in 2 ways, for example, as 39037504 + 47169424 = 6248^2 + 6868^2 .

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

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, 65051 + ... + 66362.

Almost surely, 2^86206928 is an apocalyptic number.

It is an amenable number.

86206928 is a deficient number, since it is larger than the sum of its proper divisors (84894100).

86206928 is a wasteful number, since it uses less digits than its factorization.

86206928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131462 (or 131456 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 86206928 is about 9284.7686023939. The cubic root of 86206928 is about 441.7542364079.

The spelling of 86206928 in words is "eighty-six million, two hundred six thousand, nine hundred twenty-eight".