632791 has 4 divisors (see below), whose sum is σ = 670032. Its totient is φ = 595552.

The previous prime is 632777. The next prime is 632813. The reversal of 632791 is 197236.

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 632791 - 2¹³ = 624599 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (632591) 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 3 ways as a sum of consecutive naturals, for example, 18595 + ... + 18628.

It is an arithmetic number, because the mean of its divisors is an integer number (167508).

2⁶³²⁷⁹¹ is an apocalyptic number.

632791 is a deficient number, since it is larger than the sum of its proper divisors (37241).

632791 is a wasteful number, since it uses less digits than its factorization.

632791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37240.

The product of its digits is 2268, while the sum is 28.

The square root of 632791 is about 795.4816151238. The cubic root of 632791 is about 85.8525958800.

The spelling of 632791 in words is "six hundred thirty-two thousand, seven hundred ninety-one".