3423621 has 8 divisors (see below), whose sum is σ = 4662144. Its totient is φ = 2233760.

The previous prime is 3423611. The next prime is 3423631. The reversal of 3423621 is 1263243.

It is a happy number.

3423621 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3423611) and next prime (3423631).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3423621 - 2⁶ = 3423557 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3423611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12000 + ... + 12281.

It is an arithmetic number, because the mean of its divisors is an integer number (582768).

Almost surely, 2^3423621 is an apocalyptic number.

It is an amenable number.

3423621 is a deficient number, since it is larger than the sum of its proper divisors (1238523).

3423621 is a wasteful number, since it uses less digits than its factorization.

3423621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24331.

The product of its digits is 864, while the sum is 21.

The square root of 3423621 is about 1850.3029481682. The cubic root of 3423621 is about 150.7168795446.

Adding to 3423621 its reverse (1263243), we get a palindrome (4686864).

The spelling of 3423621 in words is "three million, four hundred twenty-three thousand, six hundred twenty-one".