86212992 has 32 divisors (see below), whose sum is σ = 229004280. Its totient is φ = 28737536.

The previous prime is 86212981. The next prime is 86213009. The reversal of 86212992 is 29921268.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 86212992.

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, 111873 + ... + 112640.

Almost surely, 2^86212992 is an apocalyptic number.

It is an amenable number.

86212992 is an abundant number, since it is smaller than the sum of its proper divisors (142791288).

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

86212992 is a wasteful number, since it uses less digits than its factorization.

86212992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224530 (or 224518 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 86212992 is about 9285.0951529858. The cubic root of 86212992 is about 441.7645941790.

The spelling of 86212992 in words is "eighty-six million, two hundred twelve thousand, nine hundred ninety-two".