389479338 has 24 divisors (see below), whose sum is σ = 872972100. Its totient is φ = 125349504.

The previous prime is 389479301. The next prime is 389479339. The reversal of 389479338 is 833974983.

It can be written as a sum of positive squares in 2 ways, for example, as 384826689 + 4652649 = 19617^2 + 2157^2 .

It is not an unprimeable number, because it can be changed into a prime (389479339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372543 + ... + 373586.

Almost surely, 2^389479338 is an apocalyptic number.

389479338 is an abundant number, since it is smaller than the sum of its proper divisors (483492762).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389479338 is a wasteful number, since it uses less digits than its factorization.

389479338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746166 (or 746163 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 54.

The square root of 389479338 is about 19735.2308828653. The cubic root of 389479338 is about 730.2890817298.

The spelling of 389479338 in words is "three hundred eighty-nine million, four hundred seventy-nine thousand, three hundred thirty-eight".