389261424 has 40 divisors (see below), whose sum is σ = 1020609280. Its totient is φ = 127816128.

The previous prime is 389261381. The next prime is 389261429. The reversal of 389261424 is 424162983.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389261429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57304 + ... + 63735.

It is an arithmetic number, because the mean of its divisors is an integer number (25515232).

Almost surely, 2^389261424 is an apocalyptic number.

It is an amenable number.

389261424 is an abundant number, since it is smaller than the sum of its proper divisors (631347856).

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

389261424 is a wasteful number, since it uses less digits than its factorization.

389261424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121117 (or 121111 counting only the distinct ones).

The product of its digits is 82944, while the sum is 39.

The square root of 389261424 is about 19729.7091717035. The cubic root of 389261424 is about 730.1528572130.

The spelling of 389261424 in words is "three hundred eighty-nine million, two hundred sixty-one thousand, four hundred twenty-four".