630339 has 4 divisors (see below), whose sum is σ = 840456. Its totient is φ = 420224.

The previous prime is 630319. The next prime is 630349. The reversal of 630339 is 933036.

630339 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 630339 - 2⁵ = 630307 is a prime.

It is a D-number.

630339 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (630319) 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, 105054 + ... + 105059.

It is an arithmetic number, because the mean of its divisors is an integer number (210114).

2⁶³⁰³³⁹ is an apocalyptic number.

630339 is a deficient number, since it is larger than the sum of its proper divisors (210117).

630339 is a wasteful number, since it uses less digits than its factorization.

630339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210116.

The product of its (nonzero) digits is 1458, while the sum is 24.

The square root of 630339 is about 793.9389145268. The cubic root of 630339 is about 85.7415623507.

Subtracting from 630339 its product of nonzero digits (1458), we obtain a triangular number (628881 = T₁₁₂₁).

It can be divided in two parts, 630 and 339, that added together give a palindrome (969).

The spelling of 630339 in words is "six hundred thirty thousand, three hundred thirty-nine".