3944772 has 36 divisors (see below), whose sum is σ = 10739820. Its totient is φ = 1213632.

The previous prime is 3944767. The next prime is 3944789. The reversal of 3944772 is 2774493.

It can be written as a sum of positive squares in 2 ways, for example, as 617796 + 3326976 = 786^2 + 1824^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×3944772² = 31122452263968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3747 + ... + 4682.

Almost surely, 2^3944772 is an apocalyptic number.

It is an amenable number.

3944772 is an abundant number, since it is smaller than the sum of its proper divisors (6795048).

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

3944772 is a wasteful number, since it uses less digits than its factorization.

3944772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8452 (or 8447 counting only the distinct ones).

The product of its digits is 42336, while the sum is 36.

The square root of 3944772 is about 1986.1450098117. The cubic root of 3944772 is about 158.0061419393.

The spelling of 3944772 in words is "three million, nine hundred forty-four thousand, seven hundred seventy-two".