86539236 has 48 divisors (see below), whose sum is σ = 234568320. Its totient is φ = 24318720.

The previous prime is 86539217. The next prime is 86539247. The reversal of 86539236 is 63293568.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3321 + ... + 13568.

It is an arithmetic number, because the mean of its divisors is an integer number (4886840).

Almost surely, 2^86539236 is an apocalyptic number.

It is an amenable number.

86539236 is an abundant number, since it is smaller than the sum of its proper divisors (148029084).

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

86539236 is a wasteful number, since it uses less digits than its factorization.

86539236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16964 (or 16962 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 86539236 is about 9302.6467201544. The cubic root of 86539236 is about 442.3211291479.

The spelling of 86539236 in words is "eighty-six million, five hundred thirty-nine thousand, two hundred thirty-six".