3633887 has 4 divisors (see below), whose sum is σ = 3718440. Its totient is φ = 3549336.

The previous prime is 3633863. The next prime is 3633893. The reversal of 3633887 is 7883363.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7883363 = 1481 ⋅5323.

It is a cyclic number.

It is not a de Polignac number, because 3633887 - 2¹⁴ = 3617503 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3633887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3633857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42212 + ... + 42297.

It is an arithmetic number, because the mean of its divisors is an integer number (929610).

Almost surely, 2^3633887 is an apocalyptic number.

3633887 is a deficient number, since it is larger than the sum of its proper divisors (84553).

3633887 is an equidigital number, since it uses as much as digits as its factorization.

3633887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84552.

The product of its digits is 72576, while the sum is 38.

The square root of 3633887 is about 1906.2756883515. The cubic root of 3633887 is about 153.7412729971.

The spelling of 3633887 in words is "three million, six hundred thirty-three thousand, eight hundred eighty-seven".