381832120 has 16 divisors (see below), whose sum is σ = 859122360. Its totient is φ = 152732832.

The previous prime is 381832109. The next prime is 381832159. The reversal of 381832120 is 21238183.

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, 4772862 + ... + 4772941.

Almost surely, 2^381832120 is an apocalyptic number.

It is an amenable number.

381832120 is an abundant number, since it is smaller than the sum of its proper divisors (477290240).

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

381832120 is a wasteful number, since it uses less digits than its factorization.

381832120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9545814 (or 9545810 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 381832120 is about 19540.5250697109. The cubic root of 381832120 is about 725.4778427365.

The spelling of 381832120 in words is "three hundred eighty-one million, eight hundred thirty-two thousand, one hundred twenty".