3946844 has 24 divisors (see below), whose sum is σ = 7585536. Its totient is φ = 1782000.

The previous prime is 3946843. The next prime is 3946853. The reversal of 3946844 is 4486493.

It is a junction number, because it is equal to n+sod(n) for n = 3946798 and 3946807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3946843) 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, 11759 + ... + 12089.

It is an arithmetic number, because the mean of its divisors is an integer number (316064).

Almost surely, 2^3946844 is an apocalyptic number.

It is an amenable number.

3946844 is a deficient number, since it is larger than the sum of its proper divisors (3638692).

3946844 is a wasteful number, since it uses less digits than its factorization.

3946844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 617 (or 615 counting only the distinct ones).

The product of its digits is 82944, while the sum is 38.

The square root of 3946844 is about 1986.6665548098. Note that the first 3 decimals coincide. The cubic root of 3946844 is about 158.0338014527.

It can be divided in two parts, 39 and 46844, that multiplied together give a triangular number (1826916 = T₁₉₁₁).

The spelling of 3946844 in words is "three million, nine hundred forty-six thousand, eight hundred forty-four".