694563834 has 32 divisors (see below), whose sum is σ = 1426227264. Its totient is φ = 225405440.

The previous prime is 694563817. The next prime is 694563841. The reversal of 694563834 is 438365496.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33322 + ... + 49994.

It is an arithmetic number, because the mean of its divisors is an integer number (44569602).

Almost surely, 2^694563834 is an apocalyptic number.

694563834 is an abundant number, since it is smaller than the sum of its proper divisors (731663430).

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

694563834 is a wasteful number, since it uses less digits than its factorization.

694563834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16862.

The product of its digits is 1866240, while the sum is 48.

The square root of 694563834 is about 26354.5789949299. The cubic root of 694563834 is about 885.5995528779.

The spelling of 694563834 in words is "six hundred ninety-four million, five hundred sixty-three thousand, eight hundred thirty-four".