630099 has 12 divisors (see below), whose sum is σ = 944216. Its totient is φ = 419904.

The previous prime is 630067. The next prime is 630101. The reversal of 630099 is 990036.

It is not a de Polignac number, because 630099 - 2⁵ = 630067 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an Ulam number.

It is a Duffinian number.

630099 is a modest number, since divided by 99 gives 63 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (630029) 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 11 ways as a sum of consecutive naturals, for example, 1054 + ... + 1539.

2⁶³⁰⁰⁹⁹ is an apocalyptic number.

630099 is a deficient number, since it is larger than the sum of its proper divisors (314117).

630099 is an equidigital number, since it uses as much as digits as its factorization.

630099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2608 (or 2596 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 27.

The square root of 630099 is about 793.7877550076. The cubic root of 630099 is about 85.7306790074.

The spelling of 630099 in words is "six hundred thirty thousand, ninety-nine".