694381394 has 16 divisors (see below), whose sum is σ = 1231416000. Its totient is φ = 287330064.

The previous prime is 694381381. The next prime is 694381421. The reversal of 694381394 is 493183496.

It is a happy number.

694381394 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 854744 + ... + 855555.

It is an arithmetic number, because the mean of its divisors is an integer number (76963500).

Almost surely, 2^694381394 is an apocalyptic number.

694381394 is a deficient number, since it is larger than the sum of its proper divisors (537034606).

694381394 is a wasteful number, since it uses less digits than its factorization.

694381394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710337.

The product of its digits is 559872, while the sum is 47.

The square root of 694381394 is about 26351.1175095099. The cubic root of 694381394 is about 885.5220064030.

The spelling of 694381394 in words is "six hundred ninety-four million, three hundred eighty-one thousand, three hundred ninety-four".