86972448 has 24 divisors (see below), whose sum is σ = 228302928. Its totient is φ = 28990784.

The previous prime is 86972441. The next prime is 86972461. The reversal of 86972448 is 84427968.

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

It is a super-2 number, since 2×86972448² = 15128413422225408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 86972397 and 86972406.

It is not an unprimeable number, because it can be changed into a prime (86972441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 452886 + ... + 453077.

It is an arithmetic number, because the mean of its divisors is an integer number (9512622).

Almost surely, 2^86972448 is an apocalyptic number.

It is an amenable number.

86972448 is an abundant number, since it is smaller than the sum of its proper divisors (141330480).

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

86972448 is a wasteful number, since it uses less digits than its factorization.

86972448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905976 (or 905968 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 86972448 is about 9325.9019939092. The cubic root of 86972448 is about 443.0579816659.

The spelling of 86972448 in words is "eighty-six million, nine hundred seventy-two thousand, four hundred forty-eight".