630348 has 12 divisors (see below), whose sum is σ = 1470840. Its totient is φ = 210112.

The previous prime is 630319. The next prime is 630349. The reversal of 630348 is 843036.

630348 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×630348² = 794677202208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (630349) by changing a digit.

630348 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, 26253 + ... + 26276.

It is an arithmetic number, because the mean of its divisors is an integer number (122570).

2⁶³⁰³⁴⁸ is an apocalyptic number.

It is an amenable number.

630348 is an abundant number, since it is smaller than the sum of its proper divisors (840492).

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

630348 is a wasteful number, since it uses less digits than its factorization.

630348 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52536 (or 52534 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

The square root of 630348 is about 793.9445824489. The cubic root of 630348 is about 85.7419704223.

The spelling of 630348 in words is "six hundred thirty thousand, three hundred forty-eight".