86942684 has 24 divisors (see below), whose sum is σ = 157359888. Its totient is φ = 42007680.

The previous prime is 86942677. The next prime is 86942717. The reversal of 86942684 is 48624968.

It is a super-2 number, since 2×86942684² = 15118060602247712, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11144 + ... + 17264.

It is an arithmetic number, because the mean of its divisors is an integer number (6556662).

Almost surely, 2^86942684 is an apocalyptic number.

It is an amenable number.

86942684 is a deficient number, since it is larger than the sum of its proper divisors (70417204).

86942684 is a wasteful number, since it uses less digits than its factorization.

86942684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6245 (or 6243 counting only the distinct ones).

The product of its digits is 663552, while the sum is 47.

The square root of 86942684 is about 9324.3060867820. The cubic root of 86942684 is about 443.0074343080.

It can be divided in two parts, 8694 and 2684, that multiplied together give a triangular number (23334696 = T₆₈₃₁).

The spelling of 86942684 in words is "eighty-six million, nine hundred forty-two thousand, six hundred eighty-four".