898845 has 16 divisors (see below), whose sum is σ = 1485312. Its totient is φ = 463680.

The previous prime is 898823. The next prime is 898853. The reversal of 898845 is 548898.

898845 = 52² + 53² + ... + 141².

It is not a de Polignac number, because 898845 - 2⁵ = 898813 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 898797 and 898806.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 898845.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502 + ... + 1431.

It is an arithmetic number, because the mean of its divisors is an integer number (92832).

2⁸⁹⁸⁸⁴⁵ is an apocalyptic number.

It is an amenable number.

898845 is a deficient number, since it is larger than the sum of its proper divisors (586467).

898845 is a wasteful number, since it uses less digits than its factorization.

898845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1972.

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

The square root of 898845 is about 948.0743641719. The cubic root of 898845 is about 96.5076192898.

The spelling of 898845 in words is "eight hundred ninety-eight thousand, eight hundred forty-five".