3564444 has 48 divisors (see below), whose sum is σ = 9108512. Its totient is φ = 1078272.

The previous prime is 3564443. The next prime is 3564461. The reversal of 3564444 is 4444653.

It is a super-2 number, since 2×3564444² = 25410522058272, which contains 22 as substring.

It is a d-powerful number, because it can be written as 3¹³ + 5⁹ + 6² + 4³ + 4⁴ + 4⁴ + 4⁷ .

3564444 is a modest number, since divided by 4444 gives 356 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3564443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11232 + ... + 11544.

Almost surely, 2^3564444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3564444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4554256).

3564444 is an abundant number, since it is smaller than the sum of its proper divisors (5544068).

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

3564444 is a wasteful number, since it uses less digits than its factorization.

3564444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406 (or 404 counting only the distinct ones).

The product of its digits is 23040, while the sum is 30.

The square root of 3564444 is about 1887.9735167634. The cubic root of 3564444 is about 152.7556439511.

The spelling of 3564444 in words is "three million, five hundred sixty-four thousand, four hundred forty-four".