506698089 has 4 divisors (see below), whose sum is σ = 675597456. Its totient is φ = 337798724.

The previous prime is 506698081. The next prime is 506698139. The reversal of 506698089 is 980896605.

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 506698089 - 2³ = 506698081 is a prime.

It is not an unprimeable number, because it can be changed into a prime (506698081) 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, 84449679 + ... + 84449684.

It is an arithmetic number, because the mean of its divisors is an integer number (168899364).

Almost surely, 2^506698089 is an apocalyptic number.

It is an amenable number.

506698089 is a deficient number, since it is larger than the sum of its proper divisors (168899367).

506698089 is a wasteful number, since it uses less digits than its factorization.

506698089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168899366.

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 506698089 is about 22509.9553309197. The cubic root of 506698089 is about 797.2290010587.

The spelling of 506698089 in words is "five hundred six million, six hundred ninety-eight thousand, eighty-nine".