389681468 has 36 divisors (see below), whose sum is σ = 775448520. Its totient is φ = 171013920.

The previous prime is 389681459. The next prime is 389681473. The reversal of 389681468 is 864186983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 155 + ... + 27917.

Almost surely, 2^389681468 is an apocalyptic number.

It is an amenable number.

389681468 is a deficient number, since it is larger than the sum of its proper divisors (385767052).

389681468 is a wasteful number, since it uses less digits than its factorization.

389681468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27818 (or 27805 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 53.

The square root of 389681468 is about 19740.3512633388. The cubic root of 389681468 is about 730.4153937821.

The spelling of 389681468 in words is "three hundred eighty-nine million, six hundred eighty-one thousand, four hundred sixty-eight".