387935992 has 8 divisors (see below), whose sum is σ = 727380000. Its totient is φ = 193967992.

The previous prime is 387935909. The next prime is 387935993. The reversal of 387935992 is 299539783.

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387935993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24245992 + ... + 24246007.

It is an arithmetic number, because the mean of its divisors is an integer number (90922500).

Almost surely, 2^387935992 is an apocalyptic number.

It is an amenable number.

387935992 is a deficient number, since it is larger than the sum of its proper divisors (339444008).

387935992 is a wasteful number, since it uses less digits than its factorization.

387935992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48492005 (or 48492001 counting only the distinct ones).

The product of its digits is 3674160, while the sum is 55.

The square root of 387935992 is about 19696.0907796446. The cubic root of 387935992 is about 729.3231933087.

The spelling of 387935992 in words is "three hundred eighty-seven million, nine hundred thirty-five thousand, nine hundred ninety-two".