631046 has 12 divisors (see below), whose sum is σ = 1025532. Its totient is φ = 291096.

The previous prime is 631039. The next prime is 631061. The reversal of 631046 is 640136.

It is a congruent number.

It is an unprimeable number.

631046 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 5 ways as a sum of consecutive naturals, for example, 596 + ... + 1271.

It is an arithmetic number, because the mean of its divisors is an integer number (85461).

2⁶³¹⁰⁴⁶ is an apocalyptic number.

631046 is a deficient number, since it is larger than the sum of its proper divisors (394486).

631046 is a wasteful number, since it uses less digits than its factorization.

631046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1895 (or 1882 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 631046 is about 794.3840381075. The cubic root of 631046 is about 85.7736068192.

The spelling of 631046 in words is "six hundred thirty-one thousand, forty-six".