383940384 has 24 divisors (see below), whose sum is σ = 1007843760. Its totient is φ = 127980096.

The previous prime is 383940383. The next prime is 383940409. The reversal of 383940384 is 483049383.

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (383940383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1999594 + ... + 1999785.

It is an arithmetic number, because the mean of its divisors is an integer number (41993490).

Almost surely, 2^383940384 is an apocalyptic number.

It is an amenable number.

383940384 is an abundant number, since it is smaller than the sum of its proper divisors (623903376).

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

383940384 is a wasteful number, since it uses less digits than its factorization.

383940384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3999392 (or 3999384 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 42.

The square root of 383940384 is about 19594.3967500916. The cubic root of 383940384 is about 726.8106207899.

The spelling of 383940384 in words is "three hundred eighty-three million, nine hundred forty thousand, three hundred eighty-four".