2208406 has 4 divisors (see below), whose sum is σ = 3312612. Its totient is φ = 1104202.

The previous prime is 2208397. The next prime is 2208407. The reversal of 2208406 is 6048022.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 552100 + ... + 552103.

It is an arithmetic number, because the mean of its divisors is an integer number (828153).

2^2208406 is an apocalyptic number.

2208406 is a deficient number, since it is larger than the sum of its proper divisors (1104206).

2208406 is a wasteful number, since it uses less digits than its factorization.

2208406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104205.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 2208406 is about 1486.0706578087. The cubic root of 2208406 is about 130.2245822126.

The spelling of 2208406 in words is "two million, two hundred eight thousand, four hundred six".