3933813 has 12 divisors (see below), whose sum is σ = 5680320. Its totient is φ = 2420496.

The previous prime is 3933791. The next prime is 3933823. The reversal of 3933813 is 3183393.

3933813 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3933813 - 2⁵ = 3933781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3933823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3373 + ... + 4386.

It is an arithmetic number, because the mean of its divisors is an integer number (473360).

Almost surely, 2^3933813 is an apocalyptic number.

It is an amenable number.

3933813 is a deficient number, since it is larger than the sum of its proper divisors (1746507).

3933813 is a wasteful number, since it uses less digits than its factorization.

3933813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7788 (or 7775 counting only the distinct ones).

The product of its digits is 5832, while the sum is 30.

The square root of 3933813 is about 1983.3842290388. The cubic root of 3933813 is about 157.8596868926.

The spelling of 3933813 in words is "three million, nine hundred thirty-three thousand, eight hundred thirteen".