631848 has 32 divisors (see below), whose sum is σ = 1805760. Its totient is φ = 180480.

The previous prime is 631847. The next prime is 631853. The reversal of 631848 is 848136.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (631843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1713 + ... + 2048.

It is an arithmetic number, because the mean of its divisors is an integer number (56430).

2⁶³¹⁸⁴⁸ is an apocalyptic number.

It is an amenable number.

631848 is an abundant number, since it is smaller than the sum of its proper divisors (1173912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

631848 is a wasteful number, since it uses less digits than its factorization.

631848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3777 (or 3773 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 631848 is about 794.8886714503. Note that the first 3 decimals coincide. The cubic root of 631848 is about 85.8099281604.

The spelling of 631848 in words is "six hundred thirty-one thousand, eight hundred forty-eight".