694656244 has 12 divisors (see below), whose sum is σ = 1287157284. Its totient is φ = 326897024.

The previous prime is 694656239. The next prime is 694656251. The reversal of 694656244 is 442656496.

It can be written as a sum of positive squares in 2 ways, for example, as 625600144 + 69056100 = 25012^2 + 8310^2 .

It is a junction number, because it is equal to n+sod(n) for n = 694656194 and 694656203.

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 3 ways as a sum of consecutive naturals, for example, 5107699 + ... + 5107834.

It is an arithmetic number, because the mean of its divisors is an integer number (107263107).

Almost surely, 2^694656244 is an apocalyptic number.

It is an amenable number.

694656244 is a deficient number, since it is larger than the sum of its proper divisors (592501040).

694656244 is a wasteful number, since it uses less digits than its factorization.

694656244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10215554 (or 10215552 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 46.

The square root of 694656244 is about 26356.3321423904. The cubic root of 694656244 is about 885.6388267462.

It can be divided in two parts, 6946 and 56244, that added together give a triangular number (63190 = T₃₅₅).

The spelling of 694656244 in words is "six hundred ninety-four million, six hundred fifty-six thousand, two hundred forty-four".