383973900 has 72 divisors (see below), whose sum is σ = 1176330960. Its totient is φ = 96368640.

The previous prime is 383973881. The next prime is 383973913. The reversal of 383973900 is 9379383.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32545 + ... + 42744.

It is an arithmetic number, because the mean of its divisors is an integer number (16337930).

Almost surely, 2^383973900 is an apocalyptic number.

383973900 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383973900 is an abundant number, since it is smaller than the sum of its proper divisors (792357060).

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

383973900 is a wasteful number, since it uses less digits than its factorization.

383973900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75323 (or 75316 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 42.

The square root of 383973900 is about 19595.2519759252. The cubic root of 383973900 is about 726.8317691044.

The spelling of 383973900 in words is "three hundred eighty-three million, nine hundred seventy-three thousand, nine hundred".