2208634 has 8 divisors (see below), whose sum is σ = 3325140. Its totient is φ = 1100256.

The previous prime is 2208601. The next prime is 2208637. The reversal of 2208634 is 4368022.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1782225 + 426409 = 1335^2 + 653^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2208599 and 2208608.

It is not an unprimeable number, because it can be changed into a prime (2208637) 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, 1299 + ... + 2470.

2^2208634 is an apocalyptic number.

2208634 is a deficient number, since it is larger than the sum of its proper divisors (1116506).

2208634 is a wasteful number, since it uses less digits than its factorization.

2208634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4064.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 2208634 is about 1486.1473681974. The cubic root of 2208634 is about 130.2290636021.

The spelling of 2208634 in words is "two million, two hundred eight thousand, six hundred thirty-four".