631941 has 8 divisors (see below), whose sum is σ = 892224. Its totient is φ = 396480.

The previous prime is 631937. The next prime is 631979. The reversal of 631941 is 149136.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 631941 - 2² = 631937 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6145 + ... + 6246.

It is an arithmetic number, because the mean of its divisors is an integer number (111528).

2⁶³¹⁹⁴¹ is an apocalyptic number.

It is an amenable number.

631941 is a deficient number, since it is larger than the sum of its proper divisors (260283).

631941 is a wasteful number, since it uses less digits than its factorization.

631941 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12411.

The product of its digits is 648, while the sum is 24.

The square root of 631941 is about 794.9471680558. The cubic root of 631941 is about 85.8141379977.

The spelling of 631941 in words is "six hundred thirty-one thousand, nine hundred forty-one".