389626834 has 8 divisors (see below), whose sum is σ = 584546688. Its totient is φ = 194777940.

The previous prime is 389626829. The next prime is 389626837. The reversal of 389626834 is 438626983.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (389626837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 762 + ... + 27925.

It is an arithmetic number, because the mean of its divisors is an integer number (73068336).

Almost surely, 2^389626834 is an apocalyptic number.

389626834 is a deficient number, since it is larger than the sum of its proper divisors (194919854).

389626834 is a wasteful number, since it uses less digits than its factorization.

389626834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35480.

The product of its digits is 1492992, while the sum is 49.

The square root of 389626834 is about 19738.9673995374. The cubic root of 389626834 is about 730.3812570294.

It can be divided in two parts, 38962 and 6834, that added together give a square (45796 = 214²).

The spelling of 389626834 in words is "three hundred eighty-nine million, six hundred twenty-six thousand, eight hundred thirty-four".