389357234 has 48 divisors (see below), whose sum is σ = 726052320. Its totient is φ = 155675520.

The previous prime is 389357183. The next prime is 389357237. The reversal of 389357234 is 432753983.

It is not an unprimeable number, because it can be changed into a prime (389357237) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 123194 + ... + 126314.

It is an arithmetic number, because the mean of its divisors is an integer number (15126090).

Almost surely, 2^389357234 is an apocalyptic number.

389357234 is a deficient number, since it is larger than the sum of its proper divisors (336695086).

389357234 is a wasteful number, since it uses less digits than its factorization.

389357234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223 (or 3216 counting only the distinct ones).

The product of its digits is 544320, while the sum is 44.

The square root of 389357234 is about 19732.1370864891. The cubic root of 389357234 is about 730.2127571519.

The spelling of 389357234 in words is "three hundred eighty-nine million, three hundred fifty-seven thousand, two hundred thirty-four".