387304080 has 80 divisors (see below), whose sum is σ = 1239396864. Its totient is φ = 99947520.

The previous prime is 387304039. The next prime is 387304087. The reversal of 387304080 is 80403783.

It is a tau number, because it is divible by the number of its divisors (80).

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (387304087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18589 + ... + 33468.

Almost surely, 2^387304080 is an apocalyptic number.

387304080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

387304080 is an abundant number, since it is smaller than the sum of its proper divisors (852092784).

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

387304080 is a wasteful number, since it uses less digits than its factorization.

387304080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52104 (or 52098 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 387304080 is about 19680.0426828805. The cubic root of 387304080 is about 728.9269779956.

The spelling of 387304080 in words is "three hundred eighty-seven million, three hundred four thousand, eighty".