694312866 has 48 divisors (see below), whose sum is σ = 1622255544. Its totient is φ = 213345792.

The previous prime is 694312841. The next prime is 694312933. The reversal of 694312866 is 668213496.

694312866 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 682306641 + 12006225 = 26121^2 + 3465^2 .

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 227100 + ... + 230136.

Almost surely, 2^694312866 is an apocalyptic number.

694312866 is an abundant number, since it is smaller than the sum of its proper divisors (927942678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

694312866 is a wasteful number, since it uses less digits than its factorization.

694312866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035 (or 4032 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The square root of 694312866 is about 26349.8171910167. The cubic root of 694312866 is about 885.4928749348.

The spelling of 694312866 in words is "six hundred ninety-four million, three hundred twelve thousand, eight hundred sixty-six".