86420992 has 40 divisors (see below), whose sum is σ = 197348976. Its totient is φ = 37036032.

The previous prime is 86420969. The next prime is 86421001. The reversal of 86420992 is 29902468.

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, 8473 + ... + 15640.

Almost surely, 2^86420992 is an apocalyptic number.

It is an amenable number.

86420992 is an abundant number, since it is smaller than the sum of its proper divisors (110927984).

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

86420992 is an equidigital number, since it uses as much as digits as its factorization.

86420992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24138 (or 24122 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 86420992 is about 9296.2891521295. The cubic root of 86420992 is about 442.1195802660.

The spelling of 86420992 in words is "eighty-six million, four hundred twenty thousand, nine hundred ninety-two".