389631260 has 12 divisors (see below), whose sum is σ = 818225688. Its totient is φ = 155852496.

The previous prime is 389631257. The next prime is 389631289. The reversal of 389631260 is 62136983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9740762 + ... + 9740801.

It is an arithmetic number, because the mean of its divisors is an integer number (68185474).

Almost surely, 2^389631260 is an apocalyptic number.

It is an amenable number.

389631260 is an abundant number, since it is smaller than the sum of its proper divisors (428594428).

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

389631260 is a wasteful number, since it uses less digits than its factorization.

389631260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19481572 (or 19481570 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 38.

The square root of 389631260 is about 19739.0795124798. The cubic root of 389631260 is about 730.3840226288.

The spelling of 389631260 in words is "three hundred eighty-nine million, six hundred thirty-one thousand, two hundred sixty".