1694934406 has 64 divisors (see below), whose sum is σ = 3102624000. Its totient is φ = 685480320.

The previous prime is 1694934389. The next prime is 1694934407. The reversal of 1694934406 is 6044394961.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1694934407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 446625 + ... + 450403.

It is an arithmetic number, because the mean of its divisors is an integer number (48478500).

Almost surely, 2^1694934406 is an apocalyptic number.

1694934406 is a deficient number, since it is larger than the sum of its proper divisors (1407689594).

1694934406 is a wasteful number, since it uses less digits than its factorization.

1694934406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3877.

The product of its (nonzero) digits is 559872, while the sum is 46.

The square root of 1694934406 is about 41169.5810763238. The cubic root of 1694934406 is about 1192.2965809132.

The spelling of 1694934406 in words is "one billion, six hundred ninety-four million, nine hundred thirty-four thousand, four hundred six".