3809406 has 8 divisors (see below), whose sum is σ = 7618824. Its totient is φ = 1269800.

The previous prime is 3809387. The next prime is 3809423. The reversal of 3809406 is 6049083.

3809406 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.

3809406 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, 317445 + ... + 317456.

It is an arithmetic number, because the mean of its divisors is an integer number (952353).

Almost surely, 2^3809406 is an apocalyptic number.

3809406 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.

3809406 is a wasteful number, since it uses less digits than its factorization.

3809406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634906.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 3809406 is about 1951.7699659540. The cubic root of 3809406 is about 156.1777231586.

The spelling of 3809406 in words is "three million, eight hundred nine thousand, four hundred six".