389952516 has 24 divisors (see below), whose sum is σ = 918900864. Its totient is φ = 128696800.

The previous prime is 389952457. The next prime is 389952527. The reversal of 389952516 is 615259983.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159660 + ... + 162083.

It is an arithmetic number, because the mean of its divisors is an integer number (38287536).

Almost surely, 2^389952516 is an apocalyptic number.

It is an amenable number.

389952516 is an abundant number, since it is smaller than the sum of its proper divisors (528948348).

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

389952516 is a wasteful number, since it uses less digits than its factorization.

389952516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321851 (or 321849 counting only the distinct ones).

The product of its digits is 583200, while the sum is 48.

The square root of 389952516 is about 19747.2153986328. The cubic root of 389952516 is about 730.5847045001.

The spelling of 389952516 in words is "three hundred eighty-nine million, nine hundred fifty-two thousand, five hundred sixteen".