389344084 has 6 divisors (see below), whose sum is σ = 681352154. Its totient is φ = 194672040.

The previous prime is 389344073. The next prime is 389344093. The reversal of 389344084 is 480443983.

It can be written as a sum of positive squares in only one way, i.e., 269879184 + 119464900 = 16428^2 + 10930^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389344084.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48668007 + ... + 48668014.

Almost surely, 2^389344084 is an apocalyptic number.

It is an amenable number.

389344084 is a deficient number, since it is larger than the sum of its proper divisors (292008070).

389344084 is a wasteful number, since it uses less digits than its factorization.

389344084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97336025 (or 97336023 counting only the distinct ones).

The product of its (nonzero) digits is 331776, while the sum is 43.

The square root of 389344084 is about 19731.8038709085. The cubic root of 389344084 is about 730.2045364186.

The spelling of 389344084 in words is "three hundred eighty-nine million, three hundred forty-four thousand, eighty-four".