389025418 has 8 divisors (see below), whose sum is σ = 614250720. Its totient is φ = 184275180.

The previous prime is 389025407. The next prime is 389025431. The reversal of 389025418 is 814520983.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5118718 + ... + 5118793.

It is an arithmetic number, because the mean of its divisors is an integer number (76781340).

Almost surely, 2^389025418 is an apocalyptic number.

389025418 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

389025418 is a deficient number, since it is larger than the sum of its proper divisors (225225302).

389025418 is a wasteful number, since it uses less digits than its factorization.

389025418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10237532.

The product of its (nonzero) digits is 69120, while the sum is 40.

The square root of 389025418 is about 19723.7272846691. The cubic root of 389025418 is about 730.0052654903.

The spelling of 389025418 in words is "three hundred eighty-nine million, twenty-five thousand, four hundred eighteen".