389944526 has 8 divisors (see below), whose sum is σ = 585230184. Its totient is φ = 194867800.

The previous prime is 389944523. The next prime is 389944531. The reversal of 389944526 is 625449983.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389944523) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47480 + ... + 55083.

It is an arithmetic number, because the mean of its divisors is an integer number (73153773).

Almost surely, 2^389944526 is an apocalyptic number.

389944526 is a deficient number, since it is larger than the sum of its proper divisors (195285658).

389944526 is a wasteful number, since it uses less digits than its factorization.

389944526 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104466.

The product of its digits is 1866240, while the sum is 50.

The square root of 389944526 is about 19747.0130905917. The cubic root of 389944526 is about 730.5797146518.

The spelling of 389944526 in words is "three hundred eighty-nine million, nine hundred forty-four thousand, five hundred twenty-six".