3967946 has 8 divisors (see below), whose sum is σ = 5961600. Its totient is φ = 1980748.

The previous prime is 3967913. The next prime is 3967961. The reversal of 3967946 is 6497693.

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 = 3967897 and 3967906.

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, 455 + ... + 2853.

It is an arithmetic number, because the mean of its divisors is an integer number (745200).

Almost surely, 2^3967946 is an apocalyptic number.

3967946 is a deficient number, since it is larger than the sum of its proper divisors (1993654).

3967946 is a wasteful number, since it uses less digits than its factorization.

3967946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3228.

The product of its digits is 244944, while the sum is 44.

The square root of 3967946 is about 1991.9703813059. The cubic root of 3967946 is about 158.3149462181.

It can be divided in two parts, 3967 and 946, that added together give a cube (4913 = 17³).

The spelling of 3967946 in words is "three million, nine hundred sixty-seven thousand, nine hundred forty-six".