704408039 has 16 divisors (see below), whose sum is σ = 756205632. Its totient is φ = 653818368.

The previous prime is 704407997. The next prime is 704408041. The reversal of 704408039 is 930804407.

It is a de Polignac number, because none of the positive numbers 2^k-704408039 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 (704408099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512357 + ... + 513729.

It is an arithmetic number, because the mean of its divisors is an integer number (47262852).

Almost surely, 2^704408039 is an apocalyptic number.

704408039 is a deficient number, since it is larger than the sum of its proper divisors (51797593).

704408039 is a wasteful number, since it uses less digits than its factorization.

704408039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1786.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 704408039 is about 26540.6864832091. The cubic root of 704408039 is about 889.7638724673.

The spelling of 704408039 in words is "seven hundred four million, four hundred eight thousand, thirty-nine".