3944786 has 8 divisors (see below), whose sum is σ = 5992320. Its totient is φ = 1947348.

The previous prime is 3944767. The next prime is 3944789. The reversal of 3944786 is 6874493.

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

It is a super-2 number, since 2×3944786² = 31122673171592, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3944789) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12326 + ... + 12641.

It is an arithmetic number, because the mean of its divisors is an integer number (749040).

Almost surely, 2^3944786 is an apocalyptic number.

3944786 is a deficient number, since it is larger than the sum of its proper divisors (2047534).

3944786 is a wasteful number, since it uses less digits than its factorization.

3944786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25048.

The product of its digits is 145152, while the sum is 41.

The square root of 3944786 is about 1986.1485342240. The cubic root of 3944786 is about 158.0063288604.

The spelling of 3944786 in words is "three million, nine hundred forty-four thousand, seven hundred eighty-six".