694638616 has 32 divisors (see below), whose sum is σ = 1489710240. Its totient is φ = 297462528.

The previous prime is 694638611. The next prime is 694638643. The reversal of 694638616 is 616836496.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 694638616.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (694638611) 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 7 ways as a sum of consecutive naturals, for example, 77100 + ... + 85636.

It is an arithmetic number, because the mean of its divisors is an integer number (46553445).

Almost surely, 2^694638616 is an apocalyptic number.

It is an amenable number.

694638616 is an abundant number, since it is smaller than the sum of its proper divisors (795071624).

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

694638616 is a wasteful number, since it uses less digits than its factorization.

694638616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10003 (or 9999 counting only the distinct ones).

The product of its digits is 1119744, while the sum is 49.

The square root of 694638616 is about 26355.9977234784. The cubic root of 694638616 is about 885.6313351879.

The spelling of 694638616 in words is "six hundred ninety-four million, six hundred thirty-eight thousand, six hundred sixteen".