630049 has 4 divisors (see below), whose sum is σ = 720064. Its totient is φ = 540036.

The previous prime is 630043. The next prime is 630067. The reversal of 630049 is 940036.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 630049 - 2⁵ = 630017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630043) 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, 44997 + ... + 45010.

It is an arithmetic number, because the mean of its divisors is an integer number (180016).

2⁶³⁰⁰⁴⁹ is an apocalyptic number.

It is an amenable number.

630049 is a deficient number, since it is larger than the sum of its proper divisors (90015).

630049 is an equidigital number, since it uses as much as digits as its factorization.

630049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90014.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 630049 is about 793.7562598178. The cubic root of 630049 is about 85.7284112963.

The spelling of 630049 in words is "six hundred thirty thousand, forty-nine".