3944464 has 20 divisors (see below), whose sum is σ = 7906860. Its totient is φ = 1904000.

The previous prime is 3944461. The next prime is 3944483. The reversal of 3944464 is 4644493.

3944464 = T₅₀₇ + T₅₀₈ + ... + T₅₃₅.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1081600 + 2862864 = 1040^2 + 1692^2 .

It is a super-3 number, since 3×3944464³ (a number of 21 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (3944461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3787 + ... + 4714.

It is an arithmetic number, because the mean of its divisors is an integer number (395343).

Almost surely, 2^3944464 is an apocalyptic number.

It is an amenable number.

3944464 is an abundant number, since it is smaller than the sum of its proper divisors (3962396).

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

3944464 is a wasteful number, since it uses less digits than its factorization.

3944464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8538 (or 8532 counting only the distinct ones).

The product of its digits is 41472, while the sum is 34.

The square root of 3944464 is about 1986.0674711600. The cubic root of 3944464 is about 158.0020295632.

The spelling of 3944464 in words is "three million, nine hundred forty-four thousand, four hundred sixty-four".