3944747 has 8 divisors (see below), whose sum is σ = 4032000. Its totient is φ = 3858624.

The previous prime is 3944729. The next prime is 3944767. The reversal of 3944747 is 7474493.

It is a happy number.

3944747 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 3944747 - 2⁶ = 3944683 is a prime.

It is a super-2 number, since 2×3944747² = 31122057788018, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3944747.

It is not an unprimeable number, because it can be changed into a prime (3944767) 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, 11129 + ... + 11477.

It is an arithmetic number, because the mean of its divisors is an integer number (504000).

Almost surely, 2^3944747 is an apocalyptic number.

3944747 is a deficient number, since it is larger than the sum of its proper divisors (87253).

3944747 is a wasteful number, since it uses less digits than its factorization.

3944747 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 565.

The product of its digits is 84672, while the sum is 38.

The square root of 3944747 is about 1986.1387162029. The cubic root of 3944747 is about 158.0058081505.

The spelling of 3944747 in words is "three million, nine hundred forty-four thousand, seven hundred forty-seven".