630156 has 24 divisors (see below), whose sum is σ = 1557360. Its totient is φ = 197632.

The previous prime is 630151. The next prime is 630163. The reversal of 630156 is 651036.

630156 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (630151) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1341 + ... + 1748.

It is an arithmetic number, because the mean of its divisors is an integer number (64890).

2⁶³⁰¹⁵⁶ is an apocalyptic number.

It is an amenable number.

630156 is an abundant number, since it is smaller than the sum of its proper divisors (927204).

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

630156 is a wasteful number, since it uses less digits than its factorization.

630156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3113 (or 3111 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 630156 is about 793.8236579997. The cubic root of 630156 is about 85.7332640516.

The spelling of 630156 in words is "six hundred thirty thousand, one hundred fifty-six".