694396799 has 4 divisors (see below), whose sum is σ = 694449600. Its totient is φ = 694344000.

The previous prime is 694396721. The next prime is 694396811. The reversal of 694396799 is 997693496.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 694396799 - 2²⁰ = 693348223 is a prime.

It is a super-2 number, since 2×694396799² = 964373828922892802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694396709) 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 3 ways as a sum of consecutive naturals, for example, 10799 + ... + 38799.

It is an arithmetic number, because the mean of its divisors is an integer number (173612400).

Almost surely, 2^694396799 is an apocalyptic number.

694396799 is a deficient number, since it is larger than the sum of its proper divisors (52801).

694396799 is a wasteful number, since it uses less digits than its factorization.

694396799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52800.

The product of its digits is 19840464, while the sum is 62.

The square root of 694396799 is about 26351.4098104826. The cubic root of 694396799 is about 885.5285548531.

The spelling of 694396799 in words is "six hundred ninety-four million, three hundred ninety-six thousand, seven hundred ninety-nine".