3944731 has 8 divisors (see below), whose sum is σ = 4773600. Its totient is φ = 3182208.

The previous prime is 3944729. The next prime is 3944767. The reversal of 3944731 is 1374493.

3944731 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 3944731 - 2¹ = 3944729 is a prime.

It is a super-2 number, since 2×3944731² = 31121805324722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3944693 and 3944702.

It is not an unprimeable number, because it can be changed into a prime (3944711) 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 7 ways as a sum of consecutive naturals, for example, 16456 + ... + 16693.

It is an arithmetic number, because the mean of its divisors is an integer number (596700).

Almost surely, 2^3944731 is an apocalyptic number.

3944731 is a deficient number, since it is larger than the sum of its proper divisors (828869).

3944731 is a wasteful number, since it uses less digits than its factorization.

3944731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33173.

The product of its digits is 9072, while the sum is 31.

The square root of 3944731 is about 1986.1346882827. The cubic root of 3944731 is about 158.0055945250.

The spelling of 3944731 in words is "three million, nine hundred forty-four thousand, seven hundred thirty-one".