86684862 has 32 divisors (see below), whose sum is σ = 189512064. Its totient is φ = 26215200.

The previous prime is 86684837. The next prime is 86684863. The reversal of 86684862 is 26848668.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86684863) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42633 + ... + 44619.

It is an arithmetic number, because the mean of its divisors is an integer number (5922252).

Almost surely, 2^86684862 is an apocalyptic number.

86684862 is an abundant number, since it is smaller than the sum of its proper divisors (102827202).

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

86684862 is a wasteful number, since it uses less digits than its factorization.

86684862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2664.

The product of its digits is 884736, while the sum is 48.

The square root of 86684862 is about 9310.4705573886. The cubic root of 86684862 is about 442.5690989797.

It can be divided in two parts, 8668 and 4862, that added together give a triangular number (13530 = T₁₆₄).

The spelling of 86684862 in words is "eighty-six million, six hundred eighty-four thousand, eight hundred sixty-two".