389674925 has 6 divisors (see below), whose sum is σ = 483196938. Its totient is φ = 311739920.

The previous prime is 389674907. The next prime is 389674931. The reversal of 389674925 is 529476983.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 73582084 + 316092841 = 8578^2 + 17779^2 .

It is not a de Polignac number, because 389674925 - 2⁸ = 389674669 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

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, 7793474 + ... + 7793523.

It is an arithmetic number, because the mean of its divisors is an integer number (80532823).

Almost surely, 2^389674925 is an apocalyptic number.

It is an amenable number.

389674925 is a deficient number, since it is larger than the sum of its proper divisors (93522013).

389674925 is a wasteful number, since it uses less digits than its factorization.

389674925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15587007 (or 15587002 counting only the distinct ones).

The product of its digits is 3265920, while the sum is 53.

The square root of 389674925 is about 19740.1855361088. The cubic root of 389674925 is about 730.4113057127.

The spelling of 389674925 in words is "three hundred eighty-nine million, six hundred seventy-four thousand, nine hundred twenty-five".