84931392 has 112 divisors (see below), whose sum is σ = 276628352. Its totient is φ = 22394880.

The previous prime is 84931381. The next prime is 84931403. The reversal of 84931392 is 29313948.

It is an interprime number because it is at equal distance from previous prime (84931381) and next prime (84931403).

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a self number, because there is not a number n which added to its sum of digits gives 84931392.

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 15 ways as a sum of consecutive naturals, for example, 15042 + ... + 19902.

It is an arithmetic number, because the mean of its divisors is an integer number (2469896).

Almost surely, 2^84931392 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 84931392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138314176).

84931392 is an abundant number, since it is smaller than the sum of its proper divisors (191696960).

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

84931392 is a wasteful number, since it uses less digits than its factorization.

84931392 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4896 (or 4886 counting only the distinct ones).

The product of its digits is 46656, while the sum is 39.

The square root of 84931392 is about 9215.8229149653. The cubic root of 84931392 is about 439.5646382402.

The spelling of 84931392 in words is "eighty-four million, nine hundred thirty-one thousand, three hundred ninety-two".