630343 has 8 divisors (see below), whose sum is σ = 762912. Its totient is φ = 508416.

The previous prime is 630319. The next prime is 630349. The reversal of 630343 is 343036.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 630343 - 2¹³ = 622151 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 630343.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2530 + ... + 2767.

It is an arithmetic number, because the mean of its divisors is an integer number (95364).

2⁶³⁰³⁴³ is an apocalyptic number.

630343 is a deficient number, since it is larger than the sum of its proper divisors (132569).

630343 is a wasteful number, since it uses less digits than its factorization.

630343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5321.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 630343 is about 793.9414336083. The cubic root of 630343 is about 85.7417437163.

Adding to 630343 its reverse (343036), we get a palindrome (973379).

The spelling of 630343 in words is "six hundred thirty thousand, three hundred forty-three".