3653687 has 2 divisors, whose sum is σ = 3653688. Its totient is φ = 3653686.

The previous prime is 3653669. The next prime is 3653701. The reversal of 3653687 is 7863563.

It is a strong prime.

It is an emirp because it is prime and its reverse (7863563) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3653687 - 2¹⁸ = 3391543 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3653687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3653647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1826843 + 1826844.

It is an arithmetic number, because the mean of its divisors is an integer number (1826844).

Almost surely, 2^3653687 is an apocalyptic number.

3653687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3653687 is an equidigital number, since it uses as much as digits as its factorization.

3653687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 38.

The square root of 3653687 is about 1911.4620059002. The cubic root of 3653687 is about 154.0199979652.

The spelling of 3653687 in words is "three million, six hundred fifty-three thousand, six hundred eighty-seven".