630590 has 8 divisors (see below), whose sum is σ = 1135080. Its totient is φ = 252232.

The previous prime is 630589. The next prime is 630593. The reversal of 630590 is 95036.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630593) 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 3 ways as a sum of consecutive naturals, for example, 31520 + ... + 31539.

It is an arithmetic number, because the mean of its divisors is an integer number (141885).

2⁶³⁰⁵⁹⁰ is an apocalyptic number.

630590 is a deficient number, since it is larger than the sum of its proper divisors (504490).

630590 is a wasteful number, since it uses less digits than its factorization.

630590 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63066.

The product of its (nonzero) digits is 810, while the sum is 23.

The square root of 630590 is about 794.0969714084. The cubic root of 630590 is about 85.7529415589.

The spelling of 630590 in words is "six hundred thirty thousand, five hundred ninety".