630298 has 8 divisors (see below), whose sum is σ = 956340. Its totient is φ = 311520.

The previous prime is 630281. The next prime is 630299. The reversal of 630298 is 892036.

630298 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 603729 + 26569 = 777^2 + 163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (630299) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1593 + ... + 1948.

2⁶³⁰²⁹⁸ is an apocalyptic number.

630298 is a deficient number, since it is larger than the sum of its proper divisors (326042).

630298 is a wasteful number, since it uses less digits than its factorization.

630298 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632.

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 630298 is about 793.9130934806. The cubic root of 630298 is about 85.7397033085.

It can be divided in two parts, 6302 and 98, that added together give a square (6400 = 80²).

The spelling of 630298 in words is "six hundred thirty thousand, two hundred ninety-eight".