631244 has 12 divisors (see below), whose sum is σ = 1169784. Its totient is φ = 297024.

The previous prime is 631229. The next prime is 631247. The reversal of 631244 is 442136.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (631247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4574 + ... + 4709.

It is an arithmetic number, because the mean of its divisors is an integer number (97482).

2⁶³¹²⁴⁴ is an apocalyptic number.

It is an amenable number.

631244 is a deficient number, since it is larger than the sum of its proper divisors (538540).

631244 is a wasteful number, since it uses less digits than its factorization.

631244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9304 (or 9302 counting only the distinct ones).

The product of its digits is 576, while the sum is 20.

The square root of 631244 is about 794.5086531939. The cubic root of 631244 is about 85.7825767930.

The spelling of 631244 in words is "six hundred thirty-one thousand, two hundred forty-four".