3639087 has 10 divisors (see below), whose sum is σ = 5436288. Its totient is φ = 2426004.

The previous prime is 3639079. The next prime is 3639107. The reversal of 3639087 is 7809363.

It is not a de Polignac number, because 3639087 - 2³ = 3639079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3639017) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 22383 + ... + 22544.

Almost surely, 2^3639087 is an apocalyptic number.

3639087 is a deficient number, since it is larger than the sum of its proper divisors (1797201).

3639087 is an equidigital number, since it uses as much as digits as its factorization.

3639087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44939 (or 44930 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 36.

The square root of 3639087 is about 1907.6391168143. The cubic root of 3639087 is about 153.8145713311.

The spelling of 3639087 in words is "three million, six hundred thirty-nine thousand, eighty-seven".