630089 has 4 divisors (see below), whose sum is σ = 631680. Its totient is φ = 628500.

The previous prime is 630067. The next prime is 630101. The reversal of 630089 is 980036.

It is a happy number.

630089 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-630089 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (630029) 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, 332 + ... + 1170.

It is an arithmetic number, because the mean of its divisors is an integer number (157920).

2⁶³⁰⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

630089 is a deficient number, since it is larger than the sum of its proper divisors (1591).

630089 is an equidigital number, since it uses as much as digits as its factorization.

630089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1590.

The product of its (nonzero) digits is 1296, while the sum is 26.

The square root of 630089 is about 793.7814560696. The cubic root of 630089 is about 85.7302254748.

The spelling of 630089 in words is "six hundred thirty thousand, eighty-nine".