387382660 has 24 divisors (see below), whose sum is σ = 929718720. Its totient is φ = 132816864.

The previous prime is 387382651. The next prime is 387382687. The reversal of 387382660 is 66283783.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1383370 + ... + 1383649.

It is an arithmetic number, because the mean of its divisors is an integer number (38738280).

Almost surely, 2^387382660 is an apocalyptic number.

It is an amenable number.

387382660 is an abundant number, since it is smaller than the sum of its proper divisors (542336060).

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

387382660 is a wasteful number, since it uses less digits than its factorization.

387382660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2767035 (or 2767033 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 43.

The square root of 387382660 is about 19682.0390203861. The cubic root of 387382660 is about 728.9762719152.

The spelling of 387382660 in words is "three hundred eighty-seven million, three hundred eighty-two thousand, six hundred sixty".