694868406 has 16 divisors (see below), whose sum is σ = 1392152304. Its totient is φ = 231220224.

The previous prime is 694868393. The next prime is 694868411. The reversal of 694868406 is 604868496.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 96895 + ... + 103818.

It is an arithmetic number, because the mean of its divisors is an integer number (87009519).

Almost surely, 2^694868406 is an apocalyptic number.

694868406 is an abundant number, since it is smaller than the sum of its proper divisors (697283898).

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

694868406 is a wasteful number, since it uses less digits than its factorization.

694868406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201295.

The product of its (nonzero) digits is 1990656, while the sum is 51.

The square root of 694868406 is about 26360.3567123057. The cubic root of 694868406 is about 885.7289815435.

The spelling of 694868406 in words is "six hundred ninety-four million, eight hundred sixty-eight thousand, four hundred six".