2008634 has 4 divisors (see below), whose sum is σ = 3012954. Its totient is φ = 1004316.

The previous prime is 2008621. The next prime is 2008637. The reversal of 2008634 is 4368002.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4368002 = 2 ⋅2184001.

It can be written as a sum of positive squares in only one way, i.e., 1755625 + 253009 = 1325^2 + 503^2 .

It is a super-2 number, since 2×2008634² = 8069221091912, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2008637) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 502157 + ... + 502160.

2^2008634 is an apocalyptic number.

2008634 is a deficient number, since it is larger than the sum of its proper divisors (1004320).

2008634 is a wasteful number, since it uses less digits than its factorization.

2008634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1004319.

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 2008634 is about 1417.2628549426. The cubic root of 2008634 is about 126.1731473580.

The spelling of 2008634 in words is "two million, eight thousand, six hundred thirty-four".