898775 has 6 divisors (see below), whose sum is σ = 1114512. Its totient is φ = 719000.

The previous prime is 898769. The next prime is 898787. The reversal of 898775 is 577898.

It is not a de Polignac number, because 898775 - 2⁸ = 898519 is a prime.

It is an Ulam number.

It is a Duffinian number.

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 898775.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17951 + ... + 18000.

It is an arithmetic number, because the mean of its divisors is an integer number (185752).

2⁸⁹⁸⁷⁷⁵ is an apocalyptic number.

898775 is a deficient number, since it is larger than the sum of its proper divisors (215737).

898775 is a wasteful number, since it uses less digits than its factorization.

898775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35961 (or 35956 counting only the distinct ones).

The product of its digits is 141120, while the sum is 44.

The square root of 898775 is about 948.0374465178. The cubic root of 898775 is about 96.5051139602.

The spelling of 898775 in words is "eight hundred ninety-eight thousand, seven hundred seventy-five".