630248 has 8 divisors (see below), whose sum is σ = 1181730. Its totient is φ = 315120.

The previous prime is 630247. The next prime is 630263. The reversal of 630248 is 842036.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 605284 + 24964 = 778^2 + 158^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630248.

It is not an unprimeable number, because it can be changed into a prime (630247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39383 + ... + 39398.

2⁶³⁰²⁴⁸ is an apocalyptic number.

It is an amenable number.

630248 is a deficient number, since it is larger than the sum of its proper divisors (551482).

630248 is a wasteful number, since it uses less digits than its factorization.

630248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78787 (or 78783 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 630248 is about 793.8816032634. The cubic root of 630248 is about 85.7374360749.

It can be divided in two parts, 630 and 248, that added together give a palindrome (878).

The spelling of 630248 in words is "six hundred thirty thousand, two hundred forty-eight".