630286 has 8 divisors (see below), whose sum is σ = 978120. Its totient is φ = 304248.

The previous prime is 630281. The next prime is 630299. The reversal of 630286 is 682036.

630286 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 self number, because there is not a number n which added to its sum of digits gives 630286.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5376 + ... + 5491.

It is an arithmetic number, because the mean of its divisors is an integer number (122265).

2⁶³⁰²⁸⁶ is an apocalyptic number.

630286 is a deficient number, since it is larger than the sum of its proper divisors (347834).

630286 is a wasteful number, since it uses less digits than its factorization.

630286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10898.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 630286 is about 793.9055359424. The cubic root of 630286 is about 85.7391591834.

The spelling of 630286 in words is "six hundred thirty thousand, two hundred eighty-six".