86366646 has 24 divisors (see below), whose sum is σ = 189385560. Its totient is φ = 28441536.

The previous prime is 86366639. The next prime is 86366653. The reversal of 86366646 is 64666368.

It is an interprime number because it is at equal distance from previous prime (86366639) and next prime (86366653).

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

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, 27411 + ... + 30398.

It is an arithmetic number, because the mean of its divisors is an integer number (7891065).

Almost surely, 2^86366646 is an apocalyptic number.

86366646 is an abundant number, since it is smaller than the sum of its proper divisors (103018914).

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

86366646 is a wasteful number, since it uses less digits than its factorization.

86366646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57900 (or 57897 counting only the distinct ones).

The product of its digits is 746496, while the sum is 45.

The square root of 86366646 is about 9293.3656981742. The cubic root of 86366646 is about 442.0268849286.

The spelling of 86366646 in words is "eighty-six million, three hundred sixty-six thousand, six hundred forty-six".