389767479 has 8 divisors (see below), whose sum is σ = 522802560. Its totient is φ = 258288696.

The previous prime is 389767451. The next prime is 389767481. The reversal of 389767479 is 974767983.

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

It is not a de Polignac number, because 389767479 - 2¹⁶ = 389701943 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389767409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 388489 + ... + 389490.

It is an arithmetic number, because the mean of its divisors is an integer number (65350320).

Almost surely, 2^389767479 is an apocalyptic number.

389767479 is a deficient number, since it is larger than the sum of its proper divisors (133035081).

389767479 is a wasteful number, since it uses less digits than its factorization.

389767479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778149.

The product of its digits is 16003008, while the sum is 60.

The square root of 389767479 is about 19742.5297011300. The cubic root of 389767479 is about 730.4691292404.

The spelling of 389767479 in words is "three hundred eighty-nine million, seven hundred sixty-seven thousand, four hundred seventy-nine".