383425920 has 128 divisors (see below), whose sum is σ = 1358028000. Its totient is φ = 102242304.

The previous prime is 383425919. The next prime is 383425937. The reversal of 383425920 is 29524383.

383425920 is a `hidden beast` number, since 38 + 34 + 2 + 592 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×383425920² = 294030872255692800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 6186 + ... + 28374.

Almost surely, 2^383425920 is an apocalyptic number.

383425920 is a gapful number since it is divisible by the number (30) 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 383425920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679014000).

383425920 is an abundant number, since it is smaller than the sum of its proper divisors (974602080).

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

383425920 is a wasteful number, since it uses less digits than its factorization.

383425920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22217 (or 22199 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 383425920 is about 19581.2645148366. The cubic root of 383425920 is about 726.4858437753.

The spelling of 383425920 in words is "three hundred eighty-three million, four hundred twenty-five thousand, nine hundred twenty".