632871 has 12 divisors (see below), whose sum is σ = 962520. Its totient is φ = 399600.

The previous prime is 632857. The next prime is 632881. The reversal of 632871 is 178236.

It is not a de Polignac number, because 632871 - 2⁵ = 632839 is a prime.

It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.

632871 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680 + ... + 2021.

It is an arithmetic number, because the mean of its divisors is an integer number (80210).

2⁶³²⁸⁷¹ is an apocalyptic number.

632871 is a deficient number, since it is larger than the sum of its proper divisors (329649).

632871 is a wasteful number, since it uses less digits than its factorization.

632871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3726 (or 3723 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 632871 is about 795.5318975377. The cubic root of 632871 is about 85.8562136718.

The spelling of 632871 in words is "six hundred thirty-two thousand, eight hundred seventy-one".