630487 has 8 divisors (see below), whose sum is σ = 740880. Its totient is φ = 528960.

The previous prime is 630481. The next prime is 630493. The reversal of 630487 is 784036.

It is an interprime number because it is at equal distance from previous prime (630481) and next prime (630493).

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-630487 is a prime.

It is a Duffinian number.

630487 is a lucky number.

It is a plaindrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2062 + ... + 2347.

It is an arithmetic number, because the mean of its divisors is an integer number (92610).

2⁶³⁰⁴⁸⁷ is an apocalyptic number.

630487 is a deficient number, since it is larger than the sum of its proper divisors (110393).

630487 is a wasteful number, since it uses less digits than its factorization.

630487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4433.

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 630487 is about 794.0321152195. The cubic root of 630487 is about 85.7482723687.

The spelling of 630487 in words is "six hundred thirty thousand, four hundred eighty-seven".