3631087 has 4 divisors (see below), whose sum is σ = 3635280. Its totient is φ = 3626896.

The previous prime is 3631073. The next prime is 3631139. The reversal of 3631087 is 7801363.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 3631087 - 2⁷ = 3630959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3631007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 262 + ... + 2707.

It is an arithmetic number, because the mean of its divisors is an integer number (908820).

Almost surely, 2^3631087 is an apocalyptic number.

3631087 is a deficient number, since it is larger than the sum of its proper divisors (4193).

3631087 is a wasteful number, since it uses less digits than its factorization.

3631087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4192.

The product of its (nonzero) digits is 3024, while the sum is 28.

The square root of 3631087 is about 1905.5411304929. The cubic root of 3631087 is about 153.7017756970.

The spelling of 3631087 in words is "three million, six hundred thirty-one thousand, eighty-seven".