3718693 has 12 divisors (see below), whose sum is σ = 4153324. Its totient is φ = 3326400.

The previous prime is 3718681. The next prime is 3718739. The reversal of 3718693 is 3968173.

It can be written as a sum of positive squares in 2 ways, for example, as 736164 + 2982529 = 858^2 + 1727^2 .

It is not a de Polignac number, because 3718693 - 2⁹ = 3718181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3718613) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8623 + ... + 9043.

Almost surely, 2^3718693 is an apocalyptic number.

It is an amenable number.

3718693 is a deficient number, since it is larger than the sum of its proper divisors (434631).

3718693 is a wasteful number, since it uses less digits than its factorization.

3718693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516 (or 505 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 3718693 is about 1928.3912984662. The cubic root of 3718693 is about 154.9280692952.

The spelling of 3718693 in words is "three million, seven hundred eighteen thousand, six hundred ninety-three".