845898 has 8 divisors (see below), whose sum is σ = 1691808. Its totient is φ = 281964.

The previous prime is 845893. The next prime is 845909. The reversal of 845898 is 898548.

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

845898 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 845898.

It is not an unprimeable number, because it can be changed into a prime (845893) 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, 70486 + ... + 70497.

It is an arithmetic number, because the mean of its divisors is an integer number (211476).

2⁸⁴⁵⁸⁹⁸ is an apocalyptic number.

845898 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

845898 is a wasteful number, since it uses less digits than its factorization.

845898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140988.

The product of its digits is 92160, while the sum is 42.

The square root of 845898 is about 919.7271334477. The cubic root of 845898 is about 94.5741977674.

Subtracting 845898 from its reverse (898548), we obtain a triangular number (52650 = T₃₂₄).

The spelling of 845898 in words is "eight hundred forty-five thousand, eight hundred ninety-eight".