389954877 has 16 divisors (see below), whose sum is σ = 575070720. Its totient is φ = 233485632.

The previous prime is 389954869. The next prime is 389954881. The reversal of 389954877 is 778459983.

It is not a de Polignac number, because 389954877 - 2³ = 389954869 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 389954877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389954837) by changing a digit.

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, 133677 + ... + 136562.

It is an arithmetic number, because the mean of its divisors is an integer number (35941920).

Almost surely, 2^389954877 is an apocalyptic number.

389954877 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

389954877 is a deficient number, since it is larger than the sum of its proper divisors (185115843).

389954877 is a wasteful number, since it uses less digits than its factorization.

389954877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270292.

The product of its digits is 15240960, while the sum is 60.

The square root of 389954877 is about 19747.2751791228. The cubic root of 389954877 is about 730.5861789591.

The spelling of 389954877 in words is "three hundred eighty-nine million, nine hundred fifty-four thousand, eight hundred seventy-seven".