389295436 has 12 divisors (see below), whose sum is σ = 684835200. Its totient is φ = 193628240.

The previous prime is 389295397. The next prime is 389295457. The reversal of 389295436 is 634592983.

It is a self number, because there is not a number n which added to its sum of digits gives 389295436.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 254011 + ... + 255538.

It is an arithmetic number, because the mean of its divisors is an integer number (57069600).

Almost surely, 2^389295436 is an apocalyptic number.

It is an amenable number.

389295436 is a deficient number, since it is larger than the sum of its proper divisors (295539764).

389295436 is a wasteful number, since it uses less digits than its factorization.

389295436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 509744 (or 509742 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 389295436 is about 19730.5711017193. The cubic root of 389295436 is about 730.1741224726.

The spelling of 389295436 in words is "three hundred eighty-nine million, two hundred ninety-five thousand, four hundred thirty-six".