86392404 has 72 divisors (see below), whose sum is σ = 251579328. Its totient is φ = 24485760.

The previous prime is 86392399. The next prime is 86392417. The reversal of 86392404 is 40429368.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 31704 + ... + 34320.

Almost surely, 2^86392404 is an apocalyptic number.

86392404 is a gapful number since it is divisible by the number (84) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 86392404, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (125789664).

86392404 is an abundant number, since it is smaller than the sum of its proper divisors (165186924).

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

86392404 is a wasteful number, since it uses less digits than its factorization.

86392404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2765 (or 2760 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 86392404 is about 9294.7514221737. The cubic root of 86392404 is about 442.0708239464.

The spelling of 86392404 in words is "eighty-six million, three hundred ninety-two thousand, four hundred four".