387480317 has 16 divisors (see below), whose sum is σ = 462529920. Its totient is φ = 317659968.

The previous prime is 387480307. The next prime is 387480341. The reversal of 387480317 is 713084783.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-387480317 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387480307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2603 + ... + 27959.

It is an arithmetic number, because the mean of its divisors is an integer number (28908120).

Almost surely, 2^387480317 is an apocalyptic number.

387480317 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

387480317 is a deficient number, since it is larger than the sum of its proper divisors (75049603).

387480317 is a wasteful number, since it uses less digits than its factorization.

387480317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25460.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 387480317 is about 19684.5197299807. The cubic root of 387480317 is about 729.0375237142.

The spelling of 387480317 in words is "three hundred eighty-seven million, four hundred eighty thousand, three hundred seventeen".