85990269 has 8 divisors (see below), whose sum is σ = 114697792. Its totient is φ = 57304800.

The previous prime is 85990259. The next prime is 85990273. The reversal of 85990269 is 96209958.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 85990269 - 2⁵ = 85990237 is a prime.

It is a super-2 number, since 2×85990269² = 14788652725384722, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85990259) 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 7 ways as a sum of consecutive naturals, for example, 9192 + ... + 16014.

It is an arithmetic number, because the mean of its divisors is an integer number (14337224).

Almost surely, 2^85990269 is an apocalyptic number.

It is an amenable number.

85990269 is a deficient number, since it is larger than the sum of its proper divisors (28707523).

85990269 is a wasteful number, since it uses less digits than its factorization.

85990269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11027.

The product of its (nonzero) digits is 349920, while the sum is 48.

The square root of 85990269 is about 9273.0938202954. The cubic root of 85990269 is about 441.3838472898.

The spelling of 85990269 in words is "eighty-five million, nine hundred ninety thousand, two hundred sixty-nine".