389919126 has 16 divisors (see below), whose sum is σ = 782503344. Its totient is φ = 129528864.

The previous prime is 389919113. The next prime is 389919139. The reversal of 389919126 is 621919983.

It is an interprime number because it is at equal distance from previous prime (389919113) and next prime (389919139).

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 7 ways as a sum of consecutive naturals, for example, 109141 + ... + 112656.

It is an arithmetic number, because the mean of its divisors is an integer number (48906459).

Almost surely, 2^389919126 is an apocalyptic number.

389919126 is an abundant number, since it is smaller than the sum of its proper divisors (392584218).

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

389919126 is a wasteful number, since it uses less digits than its factorization.

389919126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222095.

The product of its digits is 209952, while the sum is 48.

The square root of 389919126 is about 19746.3699448785. The cubic root of 389919126 is about 730.5638516026.

The spelling of 389919126 in words is "three hundred eighty-nine million, nine hundred nineteen thousand, one hundred twenty-six".