3946944 has 56 divisors (see below), whose sum is σ = 10645648. Its totient is φ = 1290240.

The previous prime is 3946939. The next prime is 3946981. The reversal of 3946944 is 4496493.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11544 + ... + 11880.

Almost surely, 2^3946944 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3946944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5322824).

3946944 is an abundant number, since it is smaller than the sum of its proper divisors (6698704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3946944 is a wasteful number, since it uses less digits than its factorization.

3946944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413 (or 403 counting only the distinct ones).

The product of its digits is 93312, while the sum is 39.

The square root of 3946944 is about 1986.6917224371. The cubic root of 3946944 is about 158.0351361264.

The spelling of 3946944 in words is "three million, nine hundred forty-six thousand, nine hundred forty-four".