634089 has 8 divisors (see below), whose sum is σ = 854560. Its totient is φ = 418176.

The previous prime is 634079. The next prime is 634091. The reversal of 634089 is 980436.

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

It is not a de Polignac number, because 634089 - 2⁷ = 633961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (634079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (106820).

2⁶³⁴⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

634089 is a deficient number, since it is larger than the sum of its proper divisors (220471).

634089 is a wasteful number, since it uses less digits than its factorization.

634089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2279.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 634089 is about 796.2970551245. The cubic root of 634089 is about 85.9112569345.

The spelling of 634089 in words is "six hundred thirty-four thousand, eighty-nine".