3943340 has 24 divisors (see below), whose sum is σ = 8400672. Its totient is φ = 1554560.

The previous prime is 3943319. The next prime is 3943367. The reversal of 3943340 is 433493.

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, 32 + ... + 2808.

It is an arithmetic number, because the mean of its divisors is an integer number (350028).

Almost surely, 2^3943340 is an apocalyptic number.

It is an amenable number.

3943340 is an abundant number, since it is smaller than the sum of its proper divisors (4457332).

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

3943340 is a wasteful number, since it uses less digits than its factorization.

3943340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2857 (or 2855 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 26.

The square root of 3943340 is about 1985.7844797460. The cubic root of 3943340 is about 157.9870202444.

The spelling of 3943340 in words is "three million, nine hundred forty-three thousand, three hundred forty".