384191964 has 48 divisors (see below), whose sum is σ = 1072676640. Its totient is φ = 118212480.

The previous prime is 384191939. The next prime is 384192007. The reversal of 384191964 is 469191483.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 135417 + ... + 138224.

It is an arithmetic number, because the mean of its divisors is an integer number (22347430).

Almost surely, 2^384191964 is an apocalyptic number.

It is an amenable number.

384191964 is an abundant number, since it is smaller than the sum of its proper divisors (688484676).

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

384191964 is a wasteful number, since it uses less digits than its factorization.

384191964 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 273667 (or 273659 counting only the distinct ones).

The product of its digits is 186624, while the sum is 45.

The square root of 384191964 is about 19600.8153912025. The cubic root of 384191964 is about 726.9693356146.

The spelling of 384191964 in words is "three hundred eighty-four million, one hundred ninety-one thousand, nine hundred sixty-four".