810098 has 4 divisors (see below), whose sum is σ = 1215150. Its totient is φ = 405048.

The previous prime is 810091. The next prime is 810109. The reversal of 810098 is 890018.

810098 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 499849 + 310249 = 707^2 + 557^2 .

It is not an unprimeable number, because it can be changed into a prime (810091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202523 + ... + 202526.

2⁸¹⁰⁰⁹⁸ is an apocalyptic number.

810098 is a deficient number, since it is larger than the sum of its proper divisors (405052).

810098 is a wasteful number, since it uses less digits than its factorization.

810098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405051.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 810098 is about 900.0544427978. The cubic root of 810098 is about 93.2207343947.

The spelling of 810098 in words is "eight hundred ten thousand, ninety-eight".