389022264 has 120 divisors (see below), whose sum is σ = 1150680960. Its totient is φ = 122775264.

The previous prime is 389022251. The next prime is 389022287. The reversal of 389022264 is 462220983.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 233097 + ... + 234759.

It is an arithmetic number, because the mean of its divisors is an integer number (9589008).

Almost surely, 2^389022264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389022264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575340480).

389022264 is an abundant number, since it is smaller than the sum of its proper divisors (761658696).

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

389022264 is a wasteful number, since it uses less digits than its factorization.

389022264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1719 (or 1687 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 389022264 is about 19723.6473300452. The cubic root of 389022264 is about 730.0032926604.

The spelling of 389022264 in words is "three hundred eighty-nine million, twenty-two thousand, two hundred sixty-four".