3624421 has 4 divisors (see below), whose sum is σ = 3815200. Its totient is φ = 3433644.

The previous prime is 3624407. The next prime is 3624431. The reversal of 3624421 is 1244263.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3624421 - 2⁷ = 3624293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3624392 and 3624401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3624431) 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, 95361 + ... + 95398.

It is an arithmetic number, because the mean of its divisors is an integer number (953800).

Almost surely, 2^3624421 is an apocalyptic number.

It is an amenable number.

3624421 is a deficient number, since it is larger than the sum of its proper divisors (190779).

3624421 is a wasteful number, since it uses less digits than its factorization.

3624421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190778.

The product of its digits is 1152, while the sum is 22.

The square root of 3624421 is about 1903.7912175446. The cubic root of 3624421 is about 153.6076621295.

Adding to 3624421 its reverse (1244263), we get a palindrome (4868684).

The spelling of 3624421 in words is "three million, six hundred twenty-four thousand, four hundred twenty-one".