3690765 has 40 divisors (see below), whose sum is σ = 7135128. Its totient is φ = 1814400.

The previous prime is 3690763. The next prime is 3690773. The reversal of 3690765 is 5670963.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 385641 + 3305124 = 621^2 + 1818^2 .

It is not a de Polignac number, because 3690765 - 2¹ = 3690763 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3690763) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4915 + ... + 5615.

Almost surely, 2^3690765 is an apocalyptic number.

It is an amenable number.

3690765 is a deficient number, since it is larger than the sum of its proper divisors (3444363).

3690765 is a wasteful number, since it uses less digits than its factorization.

3690765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731 (or 722 counting only the distinct ones).

The product of its (nonzero) digits is 34020, while the sum is 36.

The square root of 3690765 is about 1921.1363824570. The cubic root of 3690765 is about 154.5392491479.

The spelling of 3690765 in words is "three million, six hundred ninety thousand, seven hundred sixty-five".