389491122 has 16 divisors (see below), whose sum is σ = 780252192. Its totient is φ = 129618720.

The previous prime is 389491121. The next prime is 389491129. The reversal of 389491122 is 221194983.

It is not an unprimeable number, because it can be changed into a prime (389491121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48904 + ... + 56307.

It is an arithmetic number, because the mean of its divisors is an integer number (48765762).

Almost surely, 2^389491122 is an apocalyptic number.

389491122 is an abundant number, since it is smaller than the sum of its proper divisors (390761070).

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

389491122 is a wasteful number, since it uses less digits than its factorization.

389491122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105833.

The product of its digits is 31104, while the sum is 39.

The square root of 389491122 is about 19735.5294329795. The cubic root of 389491122 is about 730.2964468100.

The spelling of 389491122 in words is "three hundred eighty-nine million, four hundred ninety-one thousand, one hundred twenty-two".