389699412 has 12 divisors (see below), whose sum is σ = 909298656. Its totient is φ = 129899800.

The previous prime is 389699399. The next prime is 389699417. The reversal of 389699412 is 214996983.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389699417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16237464 + ... + 16237487.

It is an arithmetic number, because the mean of its divisors is an integer number (75774888).

Almost surely, 2^389699412 is an apocalyptic number.

It is an amenable number.

389699412 is an abundant number, since it is smaller than the sum of its proper divisors (519599244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389699412 is a wasteful number, since it uses less digits than its factorization.

389699412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32474958 (or 32474956 counting only the distinct ones).

The product of its digits is 839808, while the sum is 51.

The square root of 389699412 is about 19740.8057586310. The cubic root of 389699412 is about 730.4266049667.

The spelling of 389699412 in words is "three hundred eighty-nine million, six hundred ninety-nine thousand, four hundred twelve".