379985964 has 12 divisors (see below), whose sum is σ = 886633944. Its totient is φ = 126661984.

The previous prime is 379985939. The next prime is 379985993. The reversal of 379985964 is 469589973.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 379985898 and 379985907.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15832737 + ... + 15832760.

It is an arithmetic number, because the mean of its divisors is an integer number (73886162).

Almost surely, 2^379985964 is an apocalyptic number.

It is an amenable number.

379985964 is an abundant number, since it is smaller than the sum of its proper divisors (506647980).

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

379985964 is a wasteful number, since it uses less digits than its factorization.

379985964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31665504 (or 31665502 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 379985964 is about 19493.2286704897. The cubic root of 379985964 is about 724.3067262568.

The spelling of 379985964 in words is "three hundred seventy-nine million, nine hundred eighty-five thousand, nine hundred sixty-four".