898805 has 8 divisors (see below), whose sum is σ = 1095072. Its totient is φ = 708048.

The previous prime is 898787. The next prime is 898813. The reversal of 898805 is 508898.

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

It is a cyclic number.

It is not a de Polignac number, because 898805 - 2⁸ = 898549 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1007 + ... + 1676.

It is an arithmetic number, because the mean of its divisors is an integer number (136884).

2⁸⁹⁸⁸⁰⁵ is an apocalyptic number.

It is an amenable number.

898805 is a deficient number, since it is larger than the sum of its proper divisors (196267).

898805 is a wasteful number, since it uses less digits than its factorization.

898805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755.

The product of its (nonzero) digits is 23040, while the sum is 38.

The square root of 898805 is about 948.0532685456. The cubic root of 898805 is about 96.5061876888.

The spelling of 898805 in words is "eight hundred ninety-eight thousand, eight hundred five".