389337479 has 8 divisors (see below), whose sum is σ = 395321472. Its totient is φ = 383384440.

The previous prime is 389337457. The next prime is 389337511. The reversal of 389337479 is 974733983.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-389337479 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 389337479.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389337409) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18272 + ... + 33354.

It is an arithmetic number, because the mean of its divisors is an integer number (49415184).

Almost surely, 2^389337479 is an apocalyptic number.

389337479 is a deficient number, since it is larger than the sum of its proper divisors (5983993).

389337479 is a wasteful number, since it uses less digits than its factorization.

389337479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15477.

The product of its digits is 3429216, while the sum is 53.

The square root of 389337479 is about 19731.6365008075. The cubic root of 389337479 is about 730.2004072277.

The spelling of 389337479 in words is "three hundred eighty-nine million, three hundred thirty-seven thousand, four hundred seventy-nine".