86432660 has 12 divisors (see below), whose sum is σ = 181508628. Its totient is φ = 34573056.

The previous prime is 86432639. The next prime is 86432693. The reversal of 86432660 is 6623468.

It can be written as a sum of positive squares in 2 ways, for example, as 51811204 + 34621456 = 7198^2 + 5884^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 86432660.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2160797 + ... + 2160836.

It is an arithmetic number, because the mean of its divisors is an integer number (15125719).

Almost surely, 2^86432660 is an apocalyptic number.

It is an amenable number.

86432660 is an abundant number, since it is smaller than the sum of its proper divisors (95075968).

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

86432660 is a wasteful number, since it uses less digits than its factorization.

86432660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4321642 (or 4321640 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 35.

The square root of 86432660 is about 9296.9166931838. The cubic root of 86432660 is about 442.1394767402.

The spelling of 86432660 in words is "eighty-six million, four hundred thirty-two thousand, six hundred sixty".