380399900 has 18 divisors (see below), whose sum is σ = 825468000. Its totient is φ = 152159920.

The previous prime is 380399897. The next prime is 380399911. The reversal of 380399900 is 9993083.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1901900 + ... + 1902099.

Almost surely, 2^380399900 is an apocalyptic number.

It is an amenable number.

380399900 is an abundant number, since it is smaller than the sum of its proper divisors (445068100).

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

380399900 is a wasteful number, since it uses less digits than its factorization.

380399900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3804013 (or 3804006 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 41.

The square root of 380399900 is about 19503.8432110187. The cubic root of 380399900 is about 724.5696375705.

The spelling of 380399900 in words is "three hundred eighty million, three hundred ninety-nine thousand, nine hundred".