634027 has 4 divisors (see below), whose sum is σ = 655920. Its totient is φ = 612136.

The previous prime is 634013. The next prime is 634031. The reversal of 634027 is 720436.

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 634027 - 2¹¹ = 631979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 633989 and 634007.

It is not an unprimeable number, because it can be changed into a prime (634097) 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 3 ways as a sum of consecutive naturals, for example, 10903 + ... + 10960.

It is an arithmetic number, because the mean of its divisors is an integer number (163980).

2⁶³⁴⁰²⁷ is an apocalyptic number.

634027 is a deficient number, since it is larger than the sum of its proper divisors (21893).

634027 is a wasteful number, since it uses less digits than its factorization.

634027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21892.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 634027 is about 796.2581239774. The cubic root of 634027 is about 85.9084567642.

The spelling of 634027 in words is "six hundred thirty-four thousand, twenty-seven".