634271 has 12 divisors (see below), whose sum is σ = 729960. Its totient is φ = 546480.

The previous prime is 634267. The next prime is 634273. The reversal of 634271 is 172436.

It is not a de Polignac number, because 634271 - 2² = 634267 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5765 + ... + 5873.

It is an arithmetic number, because the mean of its divisors is an integer number (60830).

2⁶³⁴²⁷¹ is an apocalyptic number.

634271 is a deficient number, since it is larger than the sum of its proper divisors (95689).

634271 is a wasteful number, since it uses less digits than its factorization.

634271 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166 (or 143 counting only the distinct ones).

The product of its digits is 1008, while the sum is 23.

The square root of 634271 is about 796.4113258863. The cubic root of 634271 is about 85.9194757351.

It can be divided in two parts, 63 and 4271, that added together give a palindrome (4334).

The spelling of 634271 in words is "six hundred thirty-four thousand, two hundred seventy-one".