630852 has 12 divisors (see below), whose sum is σ = 1472016. Its totient is φ = 210280.

The previous prime is 630841. The next prime is 630863. The reversal of 630852 is 258036.

It is an interprime number because it is at equal distance from previous prime (630841) and next prime (630863).

It is a tau number, because it is divible by the number of its divisors (12).

It is an Ulam number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630852.

It is an unprimeable number.

630852 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 3 ways as a sum of consecutive naturals, for example, 26274 + ... + 26297.

It is an arithmetic number, because the mean of its divisors is an integer number (122668).

2⁶³⁰⁸⁵² is an apocalyptic number.

It is an amenable number.

630852 is an abundant number, since it is smaller than the sum of its proper divisors (841164).

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

630852 is a wasteful number, since it uses less digits than its factorization.

630852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52578 (or 52576 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 630852 is about 794.2619215347. The cubic root of 630852 is about 85.7648162370.

Adding to 630852 its reverse (258036), we get a palindrome (888888).

Subtracting from 630852 its reverse (258036), we obtain a triangular number (372816 = T₈₆₃).

The spelling of 630852 in words is "six hundred thirty thousand, eight hundred fifty-two".