3613693 has 2 divisors, whose sum is σ = 3613694. Its totient is φ = 3613692.

The previous prime is 3613681. The next prime is 3613703. The reversal of 3613693 is 3963163.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2442969 + 1170724 = 1563^2 + 1082^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3613693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3613633) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1806846 + 1806847.

It is an arithmetic number, because the mean of its divisors is an integer number (1806847).

Almost surely, 2^3613693 is an apocalyptic number.

It is an amenable number.

3613693 is a deficient number, since it is larger than the sum of its proper divisors (1).

3613693 is an equidigital number, since it uses as much as digits as its factorization.

3613693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8748, while the sum is 31.

The square root of 3613693 is about 1900.9715936857. The cubic root of 3613693 is about 153.4559568350.

The spelling of 3613693 in words is "three million, six hundred thirteen thousand, six hundred ninety-three".