631676 has 12 divisors (see below), whose sum is σ = 1122408. Its totient is φ = 310992.

The previous prime is 631667. The next prime is 631679. The reversal of 631676 is 676136.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 911 + ... + 1446.

It is an arithmetic number, because the mean of its divisors is an integer number (93534).

2⁶³¹⁶⁷⁶ is an apocalyptic number.

It is an amenable number.

631676 is a deficient number, since it is larger than the sum of its proper divisors (490732).

631676 is a wasteful number, since it uses less digits than its factorization.

631676 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2428 (or 2426 counting only the distinct ones).

The product of its digits is 4536, while the sum is 29.

The square root of 631676 is about 794.7804728351. The cubic root of 631676 is about 85.8021411361.

The spelling of 631676 in words is "six hundred thirty-one thousand, six hundred seventy-six".