3562638 has 16 divisors (see below), whose sum is σ = 7226496. Its totient is φ = 1170680.

The previous prime is 3562627. The next prime is 3562651. The reversal of 3562638 is 8362653.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3562599 and 3562608.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3756 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (451656).

Almost surely, 2^3562638 is an apocalyptic number.

3562638 is an abundant number, since it is smaller than the sum of its proper divisors (3663858).

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

3562638 is a wasteful number, since it uses less digits than its factorization.

3562638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8439.

The product of its digits is 25920, while the sum is 33.

The square root of 3562638 is about 1887.4951655567. The cubic root of 3562638 is about 152.7298406469.

The spelling of 3562638 in words is "three million, five hundred sixty-two thousand, six hundred thirty-eight".