381938600 has 48 divisors (see below), whose sum is σ = 916667520. Its totient is φ = 147844800.

The previous prime is 381938561. The next prime is 381938611. The reversal of 381938600 is 6839183.

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, 24602 + ... + 37001.

It is an arithmetic number, because the mean of its divisors is an integer number (19097240).

Almost surely, 2^381938600 is an apocalyptic number.

It is an amenable number.

381938600 is an abundant number, since it is smaller than the sum of its proper divisors (534728920).

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

381938600 is a wasteful number, since it uses less digits than its factorization.

381938600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61650 (or 61641 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 38.

The square root of 381938600 is about 19543.2494739232. The cubic root of 381938600 is about 725.5452735061.

The spelling of 381938600 in words is "three hundred eighty-one million, nine hundred thirty-eight thousand, six hundred".