389122132 has 18 divisors (see below), whose sum is σ = 792141882. Its totient is φ = 166766544.

The previous prime is 389122117. The next prime is 389122157. The reversal of 389122132 is 231221983.

It can be written as a sum of positive squares in only one way, i.e., 389115076 + 7056 = 19726^2 + 84^2 .

It is a super-2 number, since 2×389122132² = 302832067224450848, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 389122094 and 389122103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 992463 + ... + 992854.

Almost surely, 2^389122132 is an apocalyptic number.

It is an amenable number.

389122132 is an abundant number, since it is smaller than the sum of its proper divisors (403019750).

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

389122132 is a wasteful number, since it uses less digits than its factorization.

389122132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1985335 (or 1985326 counting only the distinct ones).

The product of its digits is 5184, while the sum is 31.

The square root of 389122132 is about 19726.1788494376. The cubic root of 389122132 is about 730.0657550077.

The spelling of 389122132 in words is "three hundred eighty-nine million, one hundred twenty-two thousand, one hundred thirty-two".