506889089 has 4 divisors (see below), whose sum is σ = 579301824. Its totient is φ = 434476356.

The previous prime is 506889083. The next prime is 506889107. The reversal of 506889089 is 980988605.

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 a cyclic number.

It is not a de Polignac number, because 506889089 - 2⁴ = 506889073 is a prime.

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 506889089.

It is not an unprimeable number, because it can be changed into a prime (506889083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36206357 + ... + 36206370.

It is an arithmetic number, because the mean of its divisors is an integer number (144825456).

Almost surely, 2^506889089 is an apocalyptic number.

It is an amenable number.

506889089 is a deficient number, since it is larger than the sum of its proper divisors (72412735).

506889089 is an equidigital number, since it uses as much as digits as its factorization.

506889089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72412734.

The product of its (nonzero) digits is 1244160, while the sum is 53.

The square root of 506889089 is about 22514.1974984675. The cubic root of 506889089 is about 797.3291603801.

The spelling of 506889089 in words is "five hundred six million, eight hundred eighty-nine thousand, eighty-nine".