845858 has 8 divisors (see below), whose sum is σ = 1366428. Its totient is φ = 390384.

The previous prime is 845849. The next prime is 845863. The reversal of 845858 is 858548.

It can be written as a sum of positive squares in 2 ways, for example, as 769129 + 76729 = 877^2 + 277^2 .

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

It is an unprimeable number.

845858 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16241 + ... + 16292.

2⁸⁴⁵⁸⁵⁸ is an apocalyptic number.

845858 is a deficient number, since it is larger than the sum of its proper divisors (520570).

845858 is a wasteful number, since it uses less digits than its factorization.

845858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32548.

The product of its digits is 51200, while the sum is 38.

The square root of 845858 is about 919.7053876106. The cubic root of 845858 is about 94.5727070331.

The spelling of 845858 in words is "eight hundred forty-five thousand, eight hundred fifty-eight".