630798243 has 16 divisors (see below), whose sum is σ = 912262176. Its totient is φ = 386140160.

The previous prime is 630798241. The next prime is 630798247. The reversal of 630798243 is 342897036.

It is a cyclic number.

It is not a de Polignac number, because 630798243 - 2¹ = 630798241 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 630798195 and 630798204.

It is not an unprimeable number, because it can be changed into a prime (630798241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 148746 + ... + 152927.

It is an arithmetic number, because the mean of its divisors is an integer number (57016386).

Almost surely, 2^630798243 is an apocalyptic number.

630798243 is a deficient number, since it is larger than the sum of its proper divisors (281463933).

630798243 is a wasteful number, since it uses less digits than its factorization.

630798243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 301734.

The product of its (nonzero) digits is 217728, while the sum is 42.

The square root of 630798243 is about 25115.6971434201. The cubic root of 630798243 is about 857.6238006592.

The spelling of 630798243 in words is "six hundred thirty million, seven hundred ninety-eight thousand, two hundred forty-three".