389045674 has 4 divisors (see below), whose sum is σ = 583568514. Its totient is φ = 194522836.

The previous prime is 389045641. The next prime is 389045677. The reversal of 389045674 is 476540983.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 476540983 = 2341 ⋅203563.

It can be written as a sum of positive squares in only one way, i.e., 300779649 + 88266025 = 17343^2 + 9395^2 .

It is a super-2 number, since 2×389045674² = 302713072916228552, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389045677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97261417 + ... + 97261420.

Almost surely, 2^389045674 is an apocalyptic number.

389045674 is a deficient number, since it is larger than the sum of its proper divisors (194522840).

389045674 is a wasteful number, since it uses less digits than its factorization.

389045674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194522839.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 389045674 is about 19724.2407711932. The cubic root of 389045674 is about 730.0179353822.

The spelling of 389045674 in words is "three hundred eighty-nine million, forty-five thousand, six hundred seventy-four".