389680472 has 16 divisors (see below), whose sum is σ = 735028560. Its totient is φ = 193672864.

The previous prime is 389680457. The next prime is 389680493. The reversal of 389680472 is 274086983.

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, 144503 + ... + 147174.

It is an arithmetic number, because the mean of its divisors is an integer number (45939285).

Almost surely, 2^389680472 is an apocalyptic number.

It is an amenable number.

389680472 is a deficient number, since it is larger than the sum of its proper divisors (345348088).

389680472 is a wasteful number, since it uses less digits than its factorization.

389680472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291850 (or 291846 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 47.

The square root of 389680472 is about 19740.3260358080. The cubic root of 389680472 is about 730.4147714838.

The spelling of 389680472 in words is "three hundred eighty-nine million, six hundred eighty thousand, four hundred seventy-two".