3639707 has 6 divisors (see below), whose sum is σ = 3695652. Its totient is φ = 3584592.

The previous prime is 3639689. The next prime is 3639719. The reversal of 3639707 is 7079363.

It is not a de Polignac number, because 3639707 - 2²⁰ = 2591131 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (3639107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4988 + ... + 5670.

It is an arithmetic number, because the mean of its divisors is an integer number (615942).

Almost surely, 2^3639707 is an apocalyptic number.

3639707 is a deficient number, since it is larger than the sum of its proper divisors (55945).

3639707 is an frugal number, since it uses more digits than its factorization.

3639707 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 829 (or 756 counting only the distinct ones).

The product of its (nonzero) digits is 23814, while the sum is 35.

The square root of 3639707 is about 1907.8016144243. The cubic root of 3639707 is about 153.8233060878.

The spelling of 3639707 in words is "three million, six hundred thirty-nine thousand, seven hundred seven".