389834012 has 12 divisors (see below), whose sum is σ = 682458000. Its totient is φ = 194846016.

The previous prime is 389834009. The next prime is 389834023. The reversal of 389834012 is 210438983.

It is a super-2 number, since 2×389834012² = 303941113824032288, which contains 22 as substring.

It is a congruent number.

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, 4253 + ... + 28244.

It is an arithmetic number, because the mean of its divisors is an integer number (56871500).

Almost surely, 2^389834012 is an apocalyptic number.

It is an amenable number.

389834012 is a deficient number, since it is larger than the sum of its proper divisors (292623988).

389834012 is a wasteful number, since it uses less digits than its factorization.

389834012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35500 (or 35498 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 389834012 is about 19744.2146463211. The cubic root of 389834012 is about 730.5106903763.

The spelling of 389834012 in words is "three hundred eighty-nine million, eight hundred thirty-four thousand, twelve".