93904920 has 96 divisors (see below), whose sum is σ = 316527120. Its totient is φ = 25038720.

The previous prime is 93904913. The next prime is 93904961. The reversal of 93904920 is 2940939.

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 polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4890 + ... + 14550.

Almost surely, 2^93904920 is an apocalyptic number.

93904920 is a gapful number since it is divisible by the number (90) 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 93904920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (158263560).

93904920 is an abundant number, since it is smaller than the sum of its proper divisors (222622200).

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

93904920 is a wasteful number, since it uses less digits than its factorization.

93904920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9687 (or 9671 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 93904920 is about 9690.4550976721. The cubic root of 93904920 is about 454.5302401211.

The spelling of 93904920 in words is "ninety-three million, nine hundred four thousand, nine hundred twenty".