85846213 has 4 divisors (see below), whose sum is σ = 86606028. Its totient is φ = 85086400.

The previous prime is 85846181. The next prime is 85846217. The reversal of 85846213 is 31264858.

It is a happy number.

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 3526884 + 82319329 = 1878^2 + 9073^2 .

It is a cyclic number.

It is not a de Polignac number, because 85846213 - 2⁵ = 85846181 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85846217) 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, 379738 + ... + 379963.

It is an arithmetic number, because the mean of its divisors is an integer number (21651507).

Almost surely, 2^85846213 is an apocalyptic number.

It is an amenable number.

85846213 is a deficient number, since it is larger than the sum of its proper divisors (759815).

85846213 is a wasteful number, since it uses less digits than its factorization.

85846213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 759814.

The product of its digits is 46080, while the sum is 37.

The square root of 85846213 is about 9265.3231460106. The cubic root of 85846213 is about 441.1372320550.

The spelling of 85846213 in words is "eighty-five million, eight hundred forty-six thousand, two hundred thirteen".