631934 has 4 divisors (see below), whose sum is σ = 947904. Its totient is φ = 315966.

The previous prime is 631931. The next prime is 631937. The reversal of 631934 is 439136.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (631931) and next prime (631937).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631931) 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 as a sum of consecutive naturals, namely, 157982 + ... + 157985.

It is an arithmetic number, because the mean of its divisors is an integer number (236976).

2⁶³¹⁹³⁴ is an apocalyptic number.

631934 is a deficient number, since it is larger than the sum of its proper divisors (315970).

631934 is a wasteful number, since it uses less digits than its factorization.

631934 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315969.

The product of its digits is 1944, while the sum is 26.

The square root of 631934 is about 794.9427652353. The cubic root of 631934 is about 85.8138211426.

The spelling of 631934 in words is "six hundred thirty-one thousand, nine hundred thirty-four".