630287 has 12 divisors (see below), whose sum is σ = 772920. Its totient is φ = 511056.

The previous prime is 630281. The next prime is 630299. The reversal of 630287 is 782036.

It is not a de Polignac number, because 630287 - 2¹⁰ = 629263 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 630287.

It is not an unprimeable number, because it can be changed into a prime (630281) 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 in 11 ways as a sum of consecutive naturals, for example, 593 + ... + 1269.

It is an arithmetic number, because the mean of its divisors is an integer number (64410).

2⁶³⁰²⁸⁷ is an apocalyptic number.

630287 is a deficient number, since it is larger than the sum of its proper divisors (142633).

630287 is a wasteful number, since it uses less digits than its factorization.

630287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 703 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 630287 is about 793.9061657400. The cubic root of 630287 is about 85.7392045274.

The spelling of 630287 in words is "six hundred thirty thousand, two hundred eighty-seven".