389229125 has 8 divisors (see below), whose sum is σ = 485758104. Its totient is φ = 311383200.

The previous prime is 389229107. The next prime is 389229131. The reversal of 389229125 is 521922983.

It can be written as a sum of positive squares in 4 ways, for example, as 93973636 + 295255489 = 9694^2 + 17183^2 .

It is not a de Polignac number, because 389229125 - 2⁸ = 389228869 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1556792 + ... + 1557041.

It is an arithmetic number, because the mean of its divisors is an integer number (60719763).

Almost surely, 2^389229125 is an apocalyptic number.

It is an amenable number.

389229125 is a deficient number, since it is larger than the sum of its proper divisors (96528979).

389229125 is an equidigital number, since it uses as much as digits as its factorization.

389229125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113848 (or 3113838 counting only the distinct ones).

The product of its digits is 77760, while the sum is 41.

The square root of 389229125 is about 19728.8906175689. The cubic root of 389229125 is about 730.1326618224.

The spelling of 389229125 in words is "three hundred eighty-nine million, two hundred twenty-nine thousand, one hundred twenty-five".