389079388 has 24 divisors (see below), whose sum is σ = 705317760. Its totient is φ = 187604160.

The previous prime is 389079377. The next prime is 389079389. The reversal of 389079388 is 883970983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389079389) 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, 30978 + ... + 41686.

It is an arithmetic number, because the mean of its divisors is an integer number (29388240).

Almost surely, 2^389079388 is an apocalyptic number.

It is an amenable number.

389079388 is a deficient number, since it is larger than the sum of its proper divisors (316238372).

389079388 is a wasteful number, since it uses less digits than its factorization.

389079388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11037 (or 11035 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 55.

The square root of 389079388 is about 19725.0953863346. The cubic root of 389079388 is about 730.0390221212.

The spelling of 389079388 in words is "three hundred eighty-nine million, seventy-nine thousand, three hundred eighty-eight".