630948 has 12 divisors (see below), whose sum is σ = 1472240. Its totient is φ = 210312.

The previous prime is 630941. The next prime is 630967. The reversal of 630948 is 849036.

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

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 630948.

It is not an unprimeable number, because it can be changed into a prime (630941) by changing a digit.

630948 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26278 + ... + 26301.

2⁶³⁰⁹⁴⁸ is an apocalyptic number.

It is an amenable number.

630948 is an abundant number, since it is smaller than the sum of its proper divisors (841292).

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

630948 is a wasteful number, since it uses less digits than its factorization.

630948 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52586 (or 52584 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 630948 is about 794.3223527007. The cubic root of 630948 is about 85.7691664410.

The spelling of 630948 in words is "six hundred thirty thousand, nine hundred forty-eight".