389986933730 has 32 divisors (see below), whose sum is σ = 709310594304. Its totient is φ = 154367188416.

The previous prime is 389986933727. The next prime is 389986933751. The reversal of 389986933730 is 37339689983.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1276307 + ... + 1552073.

It is an arithmetic number, because the mean of its divisors is an integer number (22165956072).

Almost surely, 2^389986933730 is an apocalyptic number.

389986933730 is a deficient number, since it is larger than the sum of its proper divisors (319323660574).

389986933730 is a wasteful number, since it uses less digits than its factorization.

389986933730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277250.

The product of its (nonzero) digits is 158723712, while the sum is 68.

The spelling of 389986933730 in words is "three hundred eighty-nine billion, nine hundred eighty-six million, nine hundred thirty-three thousand, seven hundred thirty".