2208361 has 4 divisors (see below), whose sum is σ = 2215252. Its totient is φ = 2201472.

The previous prime is 2208343. The next prime is 2208377. The reversal of 2208361 is 1638022.

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

It can be written as a sum of positive squares in 2 ways, for example, as 670761 + 1537600 = 819^2 + 1240^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2208361 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2208331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2940 + ... + 3613.

It is an arithmetic number, because the mean of its divisors is an integer number (553813).

2^2208361 is an apocalyptic number.

It is an amenable number.

2208361 is a deficient number, since it is larger than the sum of its proper divisors (6891).

2208361 is an equidigital number, since it uses as much as digits as its factorization.

2208361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6890.

The product of its (nonzero) digits is 576, while the sum is 22.

The square root of 2208361 is about 1486.0555171325. The cubic root of 2208361 is about 130.2236976913.

The spelling of 2208361 in words is "two million, two hundred eight thousand, three hundred sixty-one".