694349854 has 16 divisors (see below), whose sum is σ = 1136684016. Its totient is φ = 315481600.

The previous prime is 694349833. The next prime is 694349861. The reversal of 694349854 is 458943496.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63984 + ... + 74044.

It is an arithmetic number, because the mean of its divisors is an integer number (71042751).

Almost surely, 2^694349854 is an apocalyptic number.

694349854 is a deficient number, since it is larger than the sum of its proper divisors (442334162).

694349854 is a wasteful number, since it uses less digits than its factorization.

694349854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13211.

The product of its digits is 3732480, while the sum is 52.

The square root of 694349854 is about 26350.5190461213. The cubic root of 694349854 is about 885.5085988880.

The spelling of 694349854 in words is "six hundred ninety-four million, three hundred forty-nine thousand, eight hundred fifty-four".