630147 has 16 divisors (see below), whose sum is σ = 987392. Its totient is φ = 349920.

The previous prime is 630127. The next prime is 630151. The reversal of 630147 is 741036.

630147 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 630147 - 2⁸ = 629891 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 372 + ... + 1182.

It is an arithmetic number, because the mean of its divisors is an integer number (61712).

2⁶³⁰¹⁴⁷ is an apocalyptic number.

630147 is a deficient number, since it is larger than the sum of its proper divisors (357245).

630147 is a wasteful number, since it uses less digits than its factorization.

630147 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 630147 is about 793.8179892142. The cubic root of 630147 is about 85.7328558971.

Subtracting 630147 from its reverse (741036), we obtain a square (110889 = 333²).

It can be divided in two parts, 630 and 147, that added together give a palindrome (777).

The spelling of 630147 in words is "six hundred thirty thousand, one hundred forty-seven".