3624621 has 64 divisors (see below), whose sum is σ = 6967296. Its totient is φ = 1612800.

The previous prime is 3624601. The next prime is 3624629. The reversal of 3624621 is 1264263.

It is not a de Polignac number, because 3624621 - 2⁷ = 3624493 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3624591 and 3624600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3624629) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 51016 + ... + 51086.

It is an arithmetic number, because the mean of its divisors is an integer number (108864).

Almost surely, 2^3624621 is an apocalyptic number.

It is an amenable number.

3624621 is a deficient number, since it is larger than the sum of its proper divisors (3342675).

3624621 is a wasteful number, since it uses less digits than its factorization.

3624621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122.

The product of its digits is 1728, while the sum is 24.

The square root of 3624621 is about 1903.8437435882. The cubic root of 3624621 is about 153.6104874974.

Adding to 3624621 its reverse (1264263), we get a palindrome (4888884).

The spelling of 3624621 in words is "three million, six hundred twenty-four thousand, six hundred twenty-one".