85992249 has 16 divisors (see below), whose sum is σ = 133185920. Its totient is φ = 48332160.

The previous prime is 85992241. The next prime is 85992299. The reversal of 85992249 is 94229958.

It is a happy number.

It is not a de Polignac number, because 85992249 - 2³ = 85992241 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 85992198 and 85992207.

It is not an unprimeable number, because it can be changed into a prime (85992241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32284 + ... + 34845.

It is an arithmetic number, because the mean of its divisors is an integer number (8324120).

Almost surely, 2^85992249 is an apocalyptic number.

It is an amenable number.

85992249 is a deficient number, since it is larger than the sum of its proper divisors (47193671).

85992249 is a wasteful number, since it uses less digits than its factorization.

85992249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67200.

The product of its digits is 466560, while the sum is 48.

The square root of 85992249 is about 9273.2005801665. The cubic root of 85992249 is about 441.3872350115.

The spelling of 85992249 in words is "eighty-five million, nine hundred ninety-two thousand, two hundred forty-nine".