86409612 has 24 divisors (see below), whose sum is σ = 224025200. Its totient is φ = 28803168.

The previous prime is 86409607. The next prime is 86409613. The reversal of 86409612 is 21690468.

86409612 is a `hidden beast` number, since 8 + 640 + 9 + 6 + 1 + 2 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (86409613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 399937 + ... + 400152.

Almost surely, 2^86409612 is an apocalyptic number.

It is an amenable number.

86409612 is an abundant number, since it is smaller than the sum of its proper divisors (137615588).

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

86409612 is a wasteful number, since it uses less digits than its factorization.

86409612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800102 (or 800094 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 86409612 is about 9295.6770597951. The cubic root of 86409612 is about 442.1001731691.

The spelling of 86409612 in words is "eighty-six million, four hundred nine thousand, six hundred twelve".