3963946 has 8 divisors (see below), whose sum is σ = 6795360. Its totient is φ = 1698828.

The previous prime is 3963931. The next prime is 3963959. The reversal of 3963946 is 6493693.

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

It is a junction number, because it is equal to n+sod(n) for n = 3963899 and 3963908.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 141556 + ... + 141583.

It is an arithmetic number, because the mean of its divisors is an integer number (849420).

Almost surely, 2^3963946 is an apocalyptic number.

3963946 is a deficient number, since it is larger than the sum of its proper divisors (2831414).

3963946 is a wasteful number, since it uses less digits than its factorization.

3963946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 283148.

The product of its digits is 104976, while the sum is 40.

The square root of 3963946 is about 1990.9660971498. The cubic root of 3963946 is about 158.2617303817.

The spelling of 3963946 in words is "three million, nine hundred sixty-three thousand, nine hundred forty-six".