389637794 has 32 divisors (see below), whose sum is σ = 744145920. Its totient is φ = 148825152.

The previous prime is 389637793. The next prime is 389637797. The reversal of 389637794 is 497736983.

It is a super-2 number, since 2×389637794² = 303635221026372872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389637793) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31634 + ... + 42189.

It is an arithmetic number, because the mean of its divisors is an integer number (23254560).

Almost surely, 2^389637794 is an apocalyptic number.

389637794 is a deficient number, since it is larger than the sum of its proper divisors (354508126).

389637794 is a wasteful number, since it uses less digits than its factorization.

389637794 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73874.

The product of its digits is 6858432, while the sum is 56.

The square root of 389637794 is about 19739.2450210235. The cubic root of 389637794 is about 730.3881053800.

The spelling of 389637794 in words is "three hundred eighty-nine million, six hundred thirty-seven thousand, seven hundred ninety-four".