693690244 has 27 divisors (see below), whose sum is σ = 1315821423. Its totient is φ = 319848672.

The previous prime is 693690241. The next prime is 693690251. The reversal of 693690244 is 442096396.

The square root of 693690244 is 26338.

It is a perfect power (a square), and thus also a powerful number.

693690244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 568250244 + 125440000 = 23838^2 + 11200^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 693690244.

It is not an unprimeable number, because it can be changed into a prime (693690241) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 684282 + ... + 685294.

Almost surely, 2^693690244 is an apocalyptic number.

693690244 is the 26338-th square number.

It is an amenable number.

693690244 is a deficient number, since it is larger than the sum of its proper divisors (622131179).

693690244 is a wasteful number, since it uses less digits than its factorization.

693690244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2056 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 43.

The cubic root of 693690244 is about 885.2281084998.

The spelling of 693690244 in words is "six hundred ninety-three million, six hundred ninety thousand, two hundred forty-four".