3933906 has 8 divisors (see below), whose sum is σ = 7867824. Its totient is φ = 1311300.

The previous prime is 3933901. The next prime is 3933907. The reversal of 3933906 is 6093393.

It is a sphenic number, since it is the product of 3 distinct primes.

3933906 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3933901) 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, 327820 + ... + 327831.

It is an arithmetic number, because the mean of its divisors is an integer number (983478).

Almost surely, 2^3933906 is an apocalyptic number.

3933906 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

3933906 is a wasteful number, since it uses less digits than its factorization.

3933906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 655656.

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 3933906 is about 1983.4076736768. The cubic root of 3933906 is about 157.8609308795.

The spelling of 3933906 in words is "three million, nine hundred thirty-three thousand, nine hundred six".