389026220 has 48 divisors (see below), whose sum is σ = 892569888. Its totient is φ = 141250560.

The previous prime is 389026217. The next prime is 389026241. The reversal of 389026220 is 22620983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 267014 + ... + 268466.

It is an arithmetic number, because the mean of its divisors is an integer number (18595206).

Almost surely, 2^389026220 is an apocalyptic number.

It is an amenable number.

389026220 is an abundant number, since it is smaller than the sum of its proper divisors (503543668).

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

389026220 is a wasteful number, since it uses less digits than its factorization.

389026220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2690 (or 2688 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 389026220 is about 19723.7476155015. The cubic root of 389026220 is about 730.0057671403.

The spelling of 389026220 in words is "three hundred eighty-nine million, twenty-six thousand, two hundred twenty".