389242504 has 32 divisors (see below), whose sum is σ = 835404480. Its totient is φ = 166555584.

The previous prime is 389242499. The next prime is 389242507. The reversal of 389242504 is 405242983.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (389242507) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32779 + ... + 43045.

It is an arithmetic number, because the mean of its divisors is an integer number (26106390).

Almost surely, 2^389242504 is an apocalyptic number.

It is an amenable number.

389242504 is an abundant number, since it is smaller than the sum of its proper divisors (446161976).

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

389242504 is a wasteful number, since it uses less digits than its factorization.

389242504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10957 (or 10953 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 37.

The square root of 389242504 is about 19729.2296859254. The cubic root of 389242504 is about 730.1410273603.

The spelling of 389242504 in words is "three hundred eighty-nine million, two hundred forty-two thousand, five hundred four".