3944569 has 16 divisors (see below), whose sum is σ = 4354560. Its totient is φ = 3562240.

The previous prime is 3944557. The next prime is 3944581. The reversal of 3944569 is 9654493.

3944569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3944557) and next prime (3944581).

It is not a de Polignac number, because 3944569 - 2⁵ = 3944537 is a prime.

It is a super-2 number, since 2×3944569² = 31119249191522, which contains 22 as substring.

It is a Duffinian number.

3944569 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3944509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44277 + ... + 44365.

It is an arithmetic number, because the mean of its divisors is an integer number (272160).

Almost surely, 2^3944569 is an apocalyptic number.

It is an amenable number.

3944569 is a deficient number, since it is larger than the sum of its proper divisors (409991).

3944569 is a wasteful number, since it uses less digits than its factorization.

3944569 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200.

The product of its digits is 116640, while the sum is 40.

The square root of 3944569 is about 1986.0939051314. The cubic root of 3944569 is about 158.0034315337.

The spelling of 3944569 in words is "three million, nine hundred forty-four thousand, five hundred sixty-nine".