86506632 has 24 divisors (see below), whose sum is σ = 234288990. Its totient is φ = 28835520.

The previous prime is 86506621. The next prime is 86506633. The reversal of 86506632 is 23660568.

It can be written as a sum of positive squares in only one way, i.e., 77898276 + 8608356 = 8826^2 + 2934^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (86506633) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 600669 + ... + 600812.

Almost surely, 2^86506632 is an apocalyptic number.

It is an amenable number.

86506632 is an abundant number, since it is smaller than the sum of its proper divisors (147782358).

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

86506632 is a wasteful number, since it uses less digits than its factorization.

86506632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201493 (or 1201486 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 86506632 is about 9300.8941505642. The cubic root of 86506632 is about 442.2655734245.

The spelling of 86506632 in words is "eighty-six million, five hundred six thousand, six hundred thirty-two".