2208390 has 16 divisors (see below), whose sum is σ = 5300208. Its totient is φ = 588896.

The previous prime is 2208377. The next prime is 2208397. The reversal of 2208390 is 938022.

It is a self number, because there is not a number n which added to its sum of digits gives 2208390.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208397) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36777 + ... + 36836.

It is an arithmetic number, because the mean of its divisors is an integer number (331263).

2^2208390 is an apocalyptic number.

2208390 is an abundant number, since it is smaller than the sum of its proper divisors (3091818).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2208390 is a wasteful number, since it uses less digits than its factorization.

2208390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73623.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 2208390 is about 1486.0652744748. The cubic root of 2208390 is about 130.2242677175.

The spelling of 2208390 in words is "two million, two hundred eight thousand, three hundred ninety".