3940433 has 24 divisors (see below), whose sum is σ = 4924800. Its totient is φ = 3137568.

The previous prime is 3940427. The next prime is 3940439. The reversal of 3940433 is 3340493.

It is an interprime number because it is at equal distance from previous prime (3940427) and next prime (3940439).

It is not a de Polignac number, because 3940433 - 2⁶ = 3940369 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3940439) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66758 + ... + 66816.

It is an arithmetic number, because the mean of its divisors is an integer number (205200).

Almost surely, 2^3940433 is an apocalyptic number.

It is an amenable number.

3940433 is a deficient number, since it is larger than the sum of its proper divisors (984367).

3940433 is a wasteful number, since it uses less digits than its factorization.

3940433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149 (or 142 counting only the distinct ones).

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

The square root of 3940433 is about 1985.0523922557. The cubic root of 3940433 is about 157.9481884275.

The spelling of 3940433 in words is "three million, nine hundred forty thousand, four hundred thirty-three".