4426644 has 24 divisors (see below), whose sum is σ = 10372320. Its totient is φ = 1469344.

The previous prime is 4426627. The next prime is 4426651. The reversal of 4426644 is 4466244.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2887 + ... + 4145.

It is an arithmetic number, because the mean of its divisors is an integer number (432180).

Almost surely, 2^4426644 is an apocalyptic number.

It is an amenable number.

4426644 is an abundant number, since it is smaller than the sum of its proper divisors (5945676).

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

4426644 is a wasteful number, since it uses less digits than its factorization.

4426644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1559 (or 1557 counting only the distinct ones).

The product of its digits is 18432, while the sum is 30.

The square root of 4426644 is about 2103.9591250782. The cubic root of 4426644 is about 164.1943462422.

The spelling of 4426644 in words is "four million, four hundred twenty-six thousand, six hundred forty-four".