389974996 has 6 divisors (see below), whose sum is σ = 682456250. Its totient is φ = 194987496.

The previous prime is 389974993. The next prime is 389974997. The reversal of 389974996 is 699479983.

It can be written as a sum of positive squares in only one way, i.e., 223203600 + 166771396 = 14940^2 + 12914^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389974993) 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 as a sum of consecutive naturals, namely, 48746871 + ... + 48746878.

Almost surely, 2^389974996 is an apocalyptic number.

It is an amenable number.

389974996 is a deficient number, since it is larger than the sum of its proper divisors (292481254).

389974996 is a wasteful number, since it uses less digits than its factorization.

389974996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97493753 (or 97493751 counting only the distinct ones).

The product of its digits is 26453952, while the sum is 64.

The square root of 389974996 is about 19747.7845846059. The cubic root of 389974996 is about 730.5987431569.

The spelling of 389974996 in words is "three hundred eighty-nine million, nine hundred seventy-four thousand, nine hundred ninety-six".