3944573 has 6 divisors (see below), whose sum is σ = 3993822. Its totient is φ = 3895800.

The previous prime is 3944557. The next prime is 3944581. The reversal of 3944573 is 3754493.

It can be written as a sum of positive squares in only one way, i.e., 3853369 + 91204 = 1963^2 + 302^2 .

It is not a de Polignac number, because 3944573 - 2⁴ = 3944557 is a prime.

It is an Ulam number.

It is a Duffinian number.

Its product of digits (45360) is a multiple of the sum of its prime divisors (324).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3944503) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22715 + ... + 22887.

It is an arithmetic number, because the mean of its divisors is an integer number (665637).

Almost surely, 2^3944573 is an apocalyptic number.

It is an amenable number.

3944573 is a deficient number, since it is larger than the sum of its proper divisors (49249).

3944573 is an equidigital number, since it uses as much as digits as its factorization.

3944573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 475 (or 324 counting only the distinct ones).

The product of its digits is 45360, while the sum is 35.

The square root of 3944573 is about 1986.0949121329. The cubic root of 3944573 is about 158.0034849416.

The spelling of 3944573 in words is "three million, nine hundred forty-four thousand, five hundred seventy-three".