674853839 has 4 divisors (see below), whose sum is σ = 736204200. Its totient is φ = 613503480.

The previous prime is 674853791. The next prime is 674853863. The reversal of 674853839 is 938358476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674853839 - 2⁸ = 674853583 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674853889) 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, 30675164 + ... + 30675185.

It is an arithmetic number, because the mean of its divisors is an integer number (184051050).

Almost surely, 2^674853839 is an apocalyptic number.

674853839 is a deficient number, since it is larger than the sum of its proper divisors (61350361).

674853839 is a wasteful number, since it uses less digits than its factorization.

674853839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61350360.

The product of its digits is 4354560, while the sum is 53.

The square root of 674853839 is about 25977.9490914891. The cubic root of 674853839 is about 877.1420017294.

The spelling of 674853839 in words is "six hundred seventy-four million, eight hundred fifty-three thousand, eight hundred thirty-nine".