389493212 has 12 divisors (see below), whose sum is σ = 681756096. Its totient is φ = 194705760.

The previous prime is 389493211. The next prime is 389493253. The reversal of 389493212 is 212394983.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 389493212.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389493211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23912 + ... + 36752.

It is an arithmetic number, because the mean of its divisors is an integer number (56813008).

Almost surely, 2^389493212 is an apocalyptic number.

It is an amenable number.

389493212 is a deficient number, since it is larger than the sum of its proper divisors (292262884).

389493212 is a wasteful number, since it uses less digits than its factorization.

389493212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20428 (or 20426 counting only the distinct ones).

The product of its digits is 93312, while the sum is 41.

The square root of 389493212 is about 19735.5823830968. The cubic root of 389493212 is about 730.2977530588.

The spelling of 389493212 in words is "three hundred eighty-nine million, four hundred ninety-three thousand, two hundred twelve".