86240572 has 18 divisors (see below), whose sum is σ = 165889304. Its totient is φ = 39200040.

The previous prime is 86240549. The next prime is 86240573. The reversal of 86240572 is 27504268.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86240573) 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, 88608 + ... + 89575.

Almost surely, 2^86240572 is an apocalyptic number.

It is an amenable number.

86240572 is a deficient number, since it is larger than the sum of its proper divisors (79648732).

86240572 is a wasteful number, since it uses less digits than its factorization.

86240572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178209 (or 178196 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 86240572 is about 9286.5802101742. The cubic root of 86240572 is about 441.8116967801.

The spelling of 86240572 in words is "eighty-six million, two hundred forty thousand, five hundred seventy-two".