3624636 has 12 divisors (see below), whose sum is σ = 8457512. Its totient is φ = 1208208.

The previous prime is 3624629. The next prime is 3624637. The reversal of 3624636 is 6364263.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×3624636² = 26275972264992, which contains 22 as substring.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3⁶ + 6³ + 2⁷ + 4⁹ + 6⁸ + 3⁷ + 6⁸ .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3624637) 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, 151015 + ... + 151038.

Almost surely, 2^3624636 is an apocalyptic number.

It is an amenable number.

3624636 is an abundant number, since it is smaller than the sum of its proper divisors (4832876).

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

3624636 is a wasteful number, since it uses less digits than its factorization.

3624636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 302060 (or 302058 counting only the distinct ones).

The product of its digits is 15552, while the sum is 30.

The square root of 3624636 is about 1903.8476829831. The cubic root of 3624636 is about 153.6106993957.

Adding to 3624636 its reverse (6364263), we get a palindrome (9988899).

The spelling of 3624636 in words is "three million, six hundred twenty-four thousand, six hundred thirty-six".