2183406 has 8 divisors (see below), whose sum is σ = 4366824. Its totient is φ = 727800.

The previous prime is 2183387. The next prime is 2183417. The reversal of 2183406 is 6043812.

It is a happy number.

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

2183406 is an admirable number.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181945 + ... + 181956.

It is an arithmetic number, because the mean of its divisors is an integer number (545853).

2^2183406 is an apocalyptic number.

2183406 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.

2183406 is a wasteful number, since it uses less digits than its factorization.

2183406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 363906.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 2183406 is about 1477.6352729953. The cubic root of 2183406 is about 129.7313188455.

The spelling of 2183406 in words is "two million, one hundred eighty-three thousand, four hundred six".