3935406 has 8 divisors (see below), whose sum is σ = 7870824. Its totient is φ = 1311800.

The previous prime is 3935389. The next prime is 3935411. The reversal of 3935406 is 6045393.

It is a happy number.

3935406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

3935406 is an admirable number.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 327945 + ... + 327956.

It is an arithmetic number, because the mean of its divisors is an integer number (983853).

Almost surely, 2^3935406 is an apocalyptic number.

3935406 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.

3935406 is a wasteful number, since it uses less digits than its factorization.

3935406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655906.

The product of its (nonzero) digits is 9720, while the sum is 30.

The square root of 3935406 is about 1983.7857747247. The cubic root of 3935406 is about 157.8809924761.

The spelling of 3935406 in words is "three million, nine hundred thirty-five thousand, four hundred six".