389330652 has 24 divisors (see below), whose sum is σ = 916480656. Its totient is φ = 128627968.

The previous prime is 389330647. The next prime is 389330671. The reversal of 389330652 is 256033983.

It is a self number, because there is not a number n which added to its sum of digits gives 389330652.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 142203 + ... + 144914.

It is an arithmetic number, because the mean of its divisors is an integer number (38186694).

Almost surely, 2^389330652 is an apocalyptic number.

It is an amenable number.

389330652 is an abundant number, since it is smaller than the sum of its proper divisors (527150004).

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

389330652 is a wasteful number, since it uses less digits than its factorization.

389330652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 287237 (or 287235 counting only the distinct ones).

The product of its (nonzero) digits is 116640, while the sum is 39.

The square root of 389330652 is about 19731.4635037546. The cubic root of 389330652 is about 730.1961392018.

The spelling of 389330652 in words is "three hundred eighty-nine million, three hundred thirty thousand, six hundred fifty-two".