4426621 has 4 divisors (see below), whose sum is σ = 4460544. Its totient is φ = 4392700.

The previous prime is 4426577. The next prime is 4426627. The reversal of 4426621 is 1266244.

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 4426621 - 2⁷ = 4426493 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4426627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16765 + ... + 17026.

It is an arithmetic number, because the mean of its divisors is an integer number (1115136).

Almost surely, 2^4426621 is an apocalyptic number.

It is an amenable number.

4426621 is a deficient number, since it is larger than the sum of its proper divisors (33923).

4426621 is a wasteful number, since it uses less digits than its factorization.

4426621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33922.

The product of its digits is 2304, while the sum is 25.

The square root of 4426621 is about 2103.9536591855. The cubic root of 4426621 is about 164.1940618675.

The spelling of 4426621 in words is "four million, four hundred twenty-six thousand, six hundred twenty-one".