389517662 has 8 divisors (see below), whose sum is σ = 590300256. Its totient is φ = 192750912.

The previous prime is 389517643. The next prime is 389517679. The reversal of 389517662 is 266715983.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 1003718 + ... + 1004105.

It is an arithmetic number, because the mean of its divisors is an integer number (73787532).

Almost surely, 2^389517662 is an apocalyptic number.

389517662 is a deficient number, since it is larger than the sum of its proper divisors (200782594).

389517662 is a wasteful number, since it uses less digits than its factorization.

389517662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2007922.

The product of its digits is 544320, while the sum is 47.

The square root of 389517662 is about 19736.2018129122. The cubic root of 389517662 is about 730.3130339468.

The spelling of 389517662 in words is "three hundred eighty-nine million, five hundred seventeen thousand, six hundred sixty-two".