390962660 has 24 divisors (see below), whose sum is σ = 895660416. Its totient is φ = 142168160.

The previous prime is 390962657. The next prime is 390962681. The reversal of 390962660 is 66269093.

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 7 ways as a sum of consecutive naturals, for example, 888332 + ... + 888771.

It is an arithmetic number, because the mean of its divisors is an integer number (37319184).

Almost surely, 2^390962660 is an apocalyptic number.

It is an amenable number.

390962660 is an abundant number, since it is smaller than the sum of its proper divisors (504697756).

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

390962660 is a wasteful number, since it uses less digits than its factorization.

390962660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777123 (or 1777121 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 41.

The square root of 390962660 is about 19772.7757282583. The cubic root of 390962660 is about 731.2150029760.

The spelling of 390962660 in words is "three hundred ninety million, nine hundred sixty-two thousand, six hundred sixty".