381632900 has 36 divisors (see below), whose sum is σ = 903431760. Its totient is φ = 138775200.

The previous prime is 381632893. The next prime is 381632929. The reversal of 381632900 is 9236183.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172370 + ... + 174569.

Almost surely, 2^381632900 is an apocalyptic number.

It is an amenable number.

381632900 is an abundant number, since it is smaller than the sum of its proper divisors (521798860).

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

381632900 is a wasteful number, since it uses less digits than its factorization.

381632900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 346964 (or 346957 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 381632900 is about 19535.4267933926. The cubic root of 381632900 is about 725.3516486741.

The spelling of 381632900 in words is "three hundred eighty-one million, six hundred thirty-two thousand, nine hundred".