85458449 has 4 divisors (see below), whose sum is σ = 85831860. Its totient is φ = 85085040.

The previous prime is 85458421. The next prime is 85458467. The reversal of 85458449 is 94485458.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 38440000 + 47018449 = 6200^2 + 6857^2 .

It is a cyclic number.

It is not a de Polignac number, because 85458449 - 2⁸ = 85458193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85458479) 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, 186362 + ... + 186819.

It is an arithmetic number, because the mean of its divisors is an integer number (21457965).

Almost surely, 2^85458449 is an apocalyptic number.

It is an amenable number.

85458449 is a deficient number, since it is larger than the sum of its proper divisors (373411).

85458449 is a wasteful number, since it uses less digits than its factorization.

85458449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373410.

The product of its digits is 921600, while the sum is 47.

The square root of 85458449 is about 9244.3739106551. The cubic root of 85458449 is about 440.4720295852.

The spelling of 85458449 in words is "eighty-five million, four hundred fifty-eight thousand, four hundred forty-nine".