389500994 has 16 divisors (see below), whose sum is σ = 587347200. Its totient is φ = 193722144.

The previous prime is 389500987. The next prime is 389501011. The reversal of 389500994 is 499005983.

It is a super-2 number, since 2×389500994² = 303422048653976072, which contains 22 as substring.

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, 541367 + ... + 542085.

It is an arithmetic number, because the mean of its divisors is an integer number (36709200).

Almost surely, 2^389500994 is an apocalyptic number.

389500994 is a deficient number, since it is larger than the sum of its proper divisors (197846206).

389500994 is a wasteful number, since it uses less digits than its factorization.

389500994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1777.

The product of its (nonzero) digits is 349920, while the sum is 47.

The square root of 389500994 is about 19735.7795386957. The cubic root of 389500994 is about 730.3026167629.

The spelling of 389500994 in words is "three hundred eighty-nine million, five hundred thousand, nine hundred ninety-four".