389251296 has 108 divisors (see below), whose sum is σ = 1287703872. Its totient is φ = 111210624.

The previous prime is 389251279. The next prime is 389251297. The reversal of 389251296 is 692152983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389251297) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 321 + ... + 27903.

It is an arithmetic number, because the mean of its divisors is an integer number (11923184).

Almost surely, 2^389251296 is an apocalyptic number.

389251296 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389251296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (643851936).

389251296 is an abundant number, since it is smaller than the sum of its proper divisors (898452576).

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

389251296 is a wasteful number, since it uses less digits than its factorization.

389251296 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27613 (or 27595 counting only the distinct ones).

The product of its digits is 233280, while the sum is 45.

The square root of 389251296 is about 19729.4525012733. The cubic root of 389251296 is about 730.1465246630.

The spelling of 389251296 in words is "three hundred eighty-nine million, two hundred fifty-one thousand, two hundred ninety-six".