4473644 has 12 divisors (see below), whose sum is σ = 8947344. Its totient is φ = 1917264.

The previous prime is 4473631. The next prime is 4473647. The reversal of 4473644 is 4463744.

4473644 is an admirable number.

It is a d-powerful number, because it can be written as 4² + 4⁴ + 7⁵ + 3⁴ + 6² + 4⁹ + 4¹¹ .

It is a self number, because there is not a number n which added to its sum of digits gives 4473644.

It is not an unprimeable number, because it can be changed into a prime (4473647) 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, 79859 + ... + 79914.

It is an arithmetic number, because the mean of its divisors is an integer number (745612).

Almost surely, 2^4473644 is an apocalyptic number.

It is an amenable number.

4473644 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

4473644 is a wasteful number, since it uses less digits than its factorization.

4473644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159784 (or 159782 counting only the distinct ones).

The product of its digits is 32256, while the sum is 32.

The square root of 4473644 is about 2115.0990520541. The cubic root of 4473644 is about 164.7734141140.

The spelling of 4473644 in words is "four million, four hundred seventy-three thousand, six hundred forty-four".