3694736 has 20 divisors (see below), whose sum is σ = 7295292. Its totient is φ = 1812096.

The previous prime is 3694727. The next prime is 3694741. The reversal of 3694736 is 6374963.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3385600 + 309136 = 1840^2 + 556^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 3694736.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1331 + ... + 3026.

Almost surely, 2^3694736 is an apocalyptic number.

It is an amenable number.

3694736 is a deficient number, since it is larger than the sum of its proper divisors (3600556).

3694736 is a wasteful number, since it uses less digits than its factorization.

3694736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418 (or 4412 counting only the distinct ones).

The product of its digits is 81648, while the sum is 38.

The square root of 3694736 is about 1922.1696075009. The cubic root of 3694736 is about 154.5946536869.

The spelling of 3694736 in words is "three million, six hundred ninety-four thousand, seven hundred thirty-six".