630895 has 16 divisors (see below), whose sum is σ = 828000. Its totient is φ = 459648.

The previous prime is 630893. The next prime is 630899. The reversal of 630895 is 598036.

630895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630895 - 2¹ = 630893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630893) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2641 + ... + 2869.

It is an arithmetic number, because the mean of its divisors is an integer number (51750).

2⁶³⁰⁸⁹⁵ is an apocalyptic number.

630895 is a deficient number, since it is larger than the sum of its proper divisors (197105).

630895 is a wasteful number, since it uses less digits than its factorization.

630895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 630895 is about 794.2889902296. The cubic root of 630895 is about 85.7667648205.

The spelling of 630895 in words is "six hundred thirty thousand, eight hundred ninety-five".