389329225 has 6 divisors (see below), whose sum is σ = 482768270. Its totient is φ = 311463360.

The previous prime is 389329177. The next prime is 389329231. The reversal of 389329225 is 522923983.

It can be written as a sum of positive squares in 3 ways, for example, as 25130169 + 364199056 = 5013^2 + 19084^2 .

It is not a de Polignac number, because 389329225 - 2⁷ = 389329097 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7786560 + ... + 7786609.

Almost surely, 2^389329225 is an apocalyptic number.

It is an amenable number.

389329225 is a deficient number, since it is larger than the sum of its proper divisors (93439045).

389329225 is a wasteful number, since it uses less digits than its factorization.

389329225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15573179 (or 15573174 counting only the distinct ones).

The product of its digits is 233280, while the sum is 43.

The square root of 389329225 is about 19731.4273432005. The cubic root of 389329225 is about 730.1952470799.

The spelling of 389329225 in words is "three hundred eighty-nine million, three hundred twenty-nine thousand, two hundred twenty-five".