630959 has 8 divisors (see below), whose sum is σ = 752640. Its totient is φ = 517176.

The previous prime is 630941. The next prime is 630967. The reversal of 630959 is 959036.

630959 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630959 is a prime.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630959.

It is not an unprimeable number, because it can be changed into a prime (630919) 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, 1799 + ... + 2120.

It is an arithmetic number, because the mean of its divisors is an integer number (94080).

2⁶³⁰⁹⁵⁹ is an apocalyptic number.

630959 is a deficient number, since it is larger than the sum of its proper divisors (121681).

630959 is a wasteful number, since it uses less digits than its factorization.

630959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3949.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 630959 is about 794.3292768116. The cubic root of 630959 is about 85.7696648737.

The spelling of 630959 in words is "six hundred thirty thousand, nine hundred fifty-nine".