3944769 has 8 divisors (see below), whose sum is σ = 5309280. Its totient is φ = 2605056.

The previous prime is 3944767. The next prime is 3944789. The reversal of 3944769 is 9674493.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3944769 - 2¹ = 3944767 is a prime.

It is a super-2 number, since 2×3944769² = 31122404926722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3944769.

It is not an unprimeable number, because it can be changed into a prime (3944767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5824 + ... + 6465.

It is an arithmetic number, because the mean of its divisors is an integer number (663660).

Almost surely, 2^3944769 is an apocalyptic number.

It is an amenable number.

3944769 is a deficient number, since it is larger than the sum of its proper divisors (1364511).

3944769 is a wasteful number, since it uses less digits than its factorization.

3944769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12399.

The product of its digits is 163296, while the sum is 42.

The square root of 3944769 is about 1986.1442545797. The cubic root of 3944769 is about 158.0061018847.

The spelling of 3944769 in words is "three million, nine hundred forty-four thousand, seven hundred sixty-nine".