694378264 has 16 divisors (see below), whose sum is σ = 1309155120. Its totient is φ = 345270240.

The previous prime is 694378259. The next prime is 694378327. The reversal of 694378264 is 462873496.

694378264 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×694378264² = 964322347031307392, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238324 + ... + 241219.

It is an arithmetic number, because the mean of its divisors is an integer number (81822195).

Almost surely, 2^694378264 is an apocalyptic number.

It is an amenable number.

694378264 is a deficient number, since it is larger than the sum of its proper divisors (614776856).

694378264 is a wasteful number, since it uses less digits than its factorization.

694378264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 479730 (or 479726 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 49.

The square root of 694378264 is about 26351.0581191724. The cubic root of 694378264 is about 885.5206758719.

The spelling of 694378264 in words is "six hundred ninety-four million, three hundred seventy-eight thousand, two hundred sixty-four".