3630436 has 12 divisors (see below), whose sum is σ = 6440812. Its totient is φ = 1790208.

The previous prime is 3630433. The next prime is 3630437. The reversal of 3630436 is 6340363.

It can be written as a sum of positive squares in 2 ways, for example, as 1196836 + 2433600 = 1094^2 + 1560^2 .

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3630436.

It is not an unprimeable number, because it can be changed into a prime (3630433) 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, 5925 + ... + 6508.

Almost surely, 2^3630436 is an apocalyptic number.

It is an amenable number.

3630436 is a deficient number, since it is larger than the sum of its proper divisors (2810376).

3630436 is a wasteful number, since it uses less digits than its factorization.

3630436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12510 (or 12508 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 25.

The square root of 3630436 is about 1905.3703052163. The cubic root of 3630436 is about 153.6925896657.

Adding to 3630436 its reverse (6340363), we get a palindrome (9970799).

The spelling of 3630436 in words is "three million, six hundred thirty thousand, four hundred thirty-six".