86493972 has 12 divisors (see below), whose sum is σ = 201819296. Its totient is φ = 28831320.

The previous prime is 86493971. The next prime is 86493983. The reversal of 86493972 is 27939468.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86493971) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3603904 + ... + 3603927.

Almost surely, 2^86493972 is an apocalyptic number.

It is an amenable number.

86493972 is an abundant number, since it is smaller than the sum of its proper divisors (115325324).

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

86493972 is a wasteful number, since it uses less digits than its factorization.

86493972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7207838 (or 7207836 counting only the distinct ones).

The product of its digits is 653184, while the sum is 48.

The square root of 86493972 is about 9300.2135459354. The cubic root of 86493972 is about 442.2439976016.

It can be divided in two parts, 8649 and 3972, that added together give a palindrome (12621).

The spelling of 86493972 in words is "eighty-six million, four hundred ninety-three thousand, nine hundred seventy-two".