630546 has 16 divisors (see below), whose sum is σ = 1441344. Its totient is φ = 180144.

The previous prime is 630529. The next prime is 630559. The reversal of 630546 is 645036.

630546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

630546 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7465 + ... + 7548.

It is an arithmetic number, because the mean of its divisors is an integer number (90084).

2⁶³⁰⁵⁴⁶ is an apocalyptic number.

630546 is an abundant number, since it is smaller than the sum of its proper divisors (810798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

630546 is a wasteful number, since it uses less digits than its factorization.

630546 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15025.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 630546 is about 794.0692665001. The cubic root of 630546 is about 85.7509470156.

It can be divided in two parts, 630 and 546, that added together give a triangular number (1176 = T₄₈).

The spelling of 630546 in words is "six hundred thirty thousand, five hundred forty-six".