634883 has 4 divisors (see below), whose sum is σ = 652080. Its totient is φ = 617688.

The previous prime is 634871. The next prime is 634891. The reversal of 634883 is 388436.

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

It is a cyclic number.

It is not a de Polignac number, because 634883 - 2¹⁸ = 372739 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634853) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8543 + ... + 8616.

It is an arithmetic number, because the mean of its divisors is an integer number (163020).

2⁶³⁴⁸⁸³ is an apocalyptic number.

634883 is a deficient number, since it is larger than the sum of its proper divisors (17197).

634883 is a wasteful number, since it uses less digits than its factorization.

634883 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17196.

The product of its digits is 13824, while the sum is 32.

The square root of 634883 is about 796.7954568144. The cubic root of 634883 is about 85.9471010540.

The spelling of 634883 in words is "six hundred thirty-four thousand, eight hundred eighty-three".