389265708 has 144 divisors (see below), whose sum is σ = 1053531360. Its totient is φ = 111141888.

The previous prime is 389265661. The next prime is 389265719. The reversal of 389265708 is 807562983.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4373728 + ... + 4373816.

It is an arithmetic number, because the mean of its divisors is an integer number (7316190).

Almost surely, 2^389265708 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 389265708, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (526765680).

389265708 is an abundant number, since it is smaller than the sum of its proper divisors (664265652).

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

389265708 is a wasteful number, since it uses less digits than its factorization.

389265708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208 (or 183 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 48.

The square root of 389265708 is about 19729.8177386412. The cubic root of 389265708 is about 730.1555357585.

The spelling of 389265708 in words is "three hundred eighty-nine million, two hundred sixty-five thousand, seven hundred eight".