630830 has 16 divisors (see below), whose sum is σ = 1144800. Its totient is φ = 250272.

The previous prime is 630827. The next prime is 630841. The reversal of 630830 is 38036.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1832 + ... + 2148.

It is an arithmetic number, because the mean of its divisors is an integer number (71550).

2⁶³⁰⁸³⁰ is an apocalyptic number.

630830 is a deficient number, since it is larger than the sum of its proper divisors (513970).

630830 is a wasteful number, since it uses less digits than its factorization.

630830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 523.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 630830 is about 794.2480720782. The cubic root of 630830 is about 85.7638192531.

Adding to 630830 its reverse (38036), we get a palindrome (668866).

The spelling of 630830 in words is "six hundred thirty thousand, eight hundred thirty".