3943396 has 12 divisors (see below), whose sum is σ = 7201152. Its totient is φ = 1885928.

The previous prime is 3943367. The next prime is 3943397. The reversal of 3943396 is 6933493.

It is not an unprimeable number, because it can be changed into a prime (3943397) 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, 21340 + ... + 21523.

It is an arithmetic number, because the mean of its divisors is an integer number (600096).

Almost surely, 2^3943396 is an apocalyptic number.

It is an amenable number.

3943396 is a deficient number, since it is larger than the sum of its proper divisors (3257756).

3943396 is a wasteful number, since it uses less digits than its factorization.

3943396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42890 (or 42888 counting only the distinct ones).

The product of its digits is 52488, while the sum is 37.

The square root of 3943396 is about 1985.7985799169. The cubic root of 3943396 is about 157.9877681072.

The spelling of 3943396 in words is "three million, nine hundred forty-three thousand, three hundred ninety-six".