389090356 has 24 divisors (see below), whose sum is σ = 752310720. Its totient is φ = 175139712.

The previous prime is 389090297. The next prime is 389090357. The reversal of 389090356 is 653090983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389090357) 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, 122826 + ... + 125953.

It is an arithmetic number, because the mean of its divisors is an integer number (31346280).

Almost surely, 2^389090356 is an apocalyptic number.

It is an amenable number.

389090356 is a deficient number, since it is larger than the sum of its proper divisors (363220364).

389090356 is a wasteful number, since it uses less digits than its factorization.

389090356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248823 (or 248821 counting only the distinct ones).

The product of its (nonzero) digits is 174960, while the sum is 43.

The square root of 389090356 is about 19725.3734058446. The cubic root of 389090356 is about 730.0458818976.

The spelling of 389090356 in words is "three hundred eighty-nine million, ninety thousand, three hundred fifty-six".