3831636 has 24 divisors (see below), whose sum is σ = 8981280. Its totient is φ = 1271392.

The previous prime is 3831623. The next prime is 3831643. The reversal of 3831636 is 6361383.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2635 + ... + 3821.

It is an arithmetic number, because the mean of its divisors is an integer number (374220).

Almost surely, 2^3831636 is an apocalyptic number.

It is an amenable number.

3831636 is an abundant number, since it is smaller than the sum of its proper divisors (5149644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3831636 is a wasteful number, since it uses less digits than its factorization.

3831636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1463 (or 1461 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 3831636 is about 1957.4565129269. The cubic root of 3831636 is about 156.4809287189.

The spelling of 3831636 in words is "three million, eight hundred thirty-one thousand, six hundred thirty-six".