86928372 has 36 divisors (see below), whose sum is σ = 221761540. Its totient is φ = 28708992.

The previous prime is 86928367. The next prime is 86928383. The reversal of 86928372 is 27382968.

It can be written as a sum of positive squares in 2 ways, for example, as 28772496 + 58155876 = 5364^2 + 7626^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7153 + ... + 15000.

Almost surely, 2^86928372 is an apocalyptic number.

It is an amenable number.

86928372 is an abundant number, since it is smaller than the sum of its proper divisors (134833168).

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

86928372 is a wasteful number, since it uses less digits than its factorization.

86928372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22272 (or 22267 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 86928372 is about 9323.5385986223. The cubic root of 86928372 is about 442.9831245366.

It can be divided in two parts, 869 and 28372, that added together give a square (29241 = 171²).

The spelling of 86928372 in words is "eighty-six million, nine hundred twenty-eight thousand, three hundred seventy-two".