631064 has 32 divisors (see below), whose sum is σ = 1382400. Its totient is φ = 264480.

The previous prime is 631061. The next prime is 631121. The reversal of 631064 is 460136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (631061) 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, 3209 + ... + 3399.

It is an arithmetic number, because the mean of its divisors is an integer number (43200).

2⁶³¹⁰⁶⁴ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 631064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (691200).

631064 is an abundant number, since it is smaller than the sum of its proper divisors (751336).

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

631064 is a wasteful number, since it uses less digits than its factorization.

631064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 263 (or 259 counting only the distinct ones).

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

The square root of 631064 is about 794.3953675595. The cubic root of 631064 is about 85.7744223489.

The spelling of 631064 in words is "six hundred thirty-one thousand, sixty-four".