389196672 has 32 divisors (see below), whose sum is σ = 1033804680. Its totient is φ = 129732096.

The previous prime is 389196637. The next prime is 389196679. The reversal of 389196672 is 276691983.

It is a tau number, because it is divible by the number of its divisors (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389196679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 506383 + ... + 507150.

Almost surely, 2^389196672 is an apocalyptic number.

389196672 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

389196672 is an abundant number, since it is smaller than the sum of its proper divisors (644608008).

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

389196672 is a wasteful number, since it uses less digits than its factorization.

389196672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013550 (or 1013538 counting only the distinct ones).

The product of its digits is 979776, while the sum is 51.

The square root of 389196672 is about 19728.0681264031. The cubic root of 389196672 is about 730.1123690160.

The spelling of 389196672 in words is "three hundred eighty-nine million, one hundred ninety-six thousand, six hundred seventy-two".