2273406 has 8 divisors (see below), whose sum is σ = 4546824. Its totient is φ = 757800.

The previous prime is 2273399. The next prime is 2273431. The reversal of 2273406 is 6043722.

2273406 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.

2273406 is an admirable number.

It is a Curzon 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, 189445 + ... + 189456.

It is an arithmetic number, because the mean of its divisors is an integer number (568353).

2^2273406 is an apocalyptic number.

2273406 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.

2273406 is a wasteful number, since it uses less digits than its factorization.

2273406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378906.

The product of its (nonzero) digits is 2016, while the sum is 24.

The square root of 2273406 is about 1507.7818144546. The cubic root of 2273406 is about 131.4898814905.

The spelling of 2273406 in words is "two million, two hundred seventy-three thousand, four hundred six".