380785400 has 48 divisors (see below), whose sum is σ = 913899840. Its totient is φ = 147398400.

The previous prime is 380785387. The next prime is 380785411. The reversal of 380785400 is 4587083.

It is a congruent number.

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, 24509 + ... + 36908.

It is an arithmetic number, because the mean of its divisors is an integer number (19039580).

Almost surely, 2^380785400 is an apocalyptic number.

It is an amenable number.

380785400 is an abundant number, since it is smaller than the sum of its proper divisors (533114440).

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

380785400 is a wasteful number, since it uses less digits than its factorization.

380785400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61464 (or 61455 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 380785400 is about 19513.7233761269. The cubic root of 380785400 is about 724.8143163002.

The spelling of 380785400 in words is "three hundred eighty million, seven hundred eighty-five thousand, four hundred".