3689507 has 2 divisors, whose sum is σ = 3689508. Its totient is φ = 3689506.

The previous prime is 3689503. The next prime is 3689513. The reversal of 3689507 is 7059863.

It is a weak prime.

It is an emirp because it is prime and its reverse (7059863) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3689507 - 2² = 3689503 is a prime.

It is a super-2 number, since 2×3689507² = 27224923806098, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3689501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1844753 + 1844754.

It is an arithmetic number, because the mean of its divisors is an integer number (1844754).

Almost surely, 2^3689507 is an apocalyptic number.

3689507 is a deficient number, since it is larger than the sum of its proper divisors (1).

3689507 is an equidigital number, since it uses as much as digits as its factorization.

3689507 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 3689507 is about 1920.8089441691. The cubic root of 3689507 is about 154.5216888799.

The spelling of 3689507 in words is "three million, six hundred eighty-nine thousand, five hundred seven".