536868889 has 4 divisors (see below), whose sum is σ = 549354256. Its totient is φ = 524383524.

The previous prime is 536868863. The next prime is 536868901. The reversal of 536868889 is 988868635.

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 536868889 - 2⁹ = 536868377 is a prime.

It is a super-3 number, since 3×536868889³ (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (536868289) 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, 6242619 + ... + 6242704.

It is an arithmetic number, because the mean of its divisors is an integer number (137338564).

Almost surely, 2^536868889 is an apocalyptic number.

It is an amenable number.

536868889 is a deficient number, since it is larger than the sum of its proper divisors (12485367).

536868889 is a wasteful number, since it uses less digits than its factorization.

536868889 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12485366.

The product of its digits is 19906560, while the sum is 61.

The square root of 536868889 is about 23170.4313511855. The cubic root of 536868889 is about 812.7483177577.

The spelling of 536868889 in words is "five hundred thirty-six million, eight hundred sixty-eight thousand, eight hundred eighty-nine".