899098 has 4 divisors (see below), whose sum is σ = 1348650. Its totient is φ = 449548.

The previous prime is 899069. The next prime is 899123. The reversal of 899098 is 890998.

899098 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, and also an emirpimes, since its reverse is a distinct semiprime: 890998 = 2 ⋅445499.

It can be written as a sum of positive squares in only one way, i.e., 693889 + 205209 = 833^2 + 453^2 .

It is an unprimeable number.

899098 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 224773 + ... + 224776.

2⁸⁹⁹⁰⁹⁸ is an apocalyptic number.

899098 is a deficient number, since it is larger than the sum of its proper divisors (449552).

899098 is a wasteful number, since it uses less digits than its factorization.

899098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449551.

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 899098 is about 948.2077831362. The cubic root of 899098 is about 96.5166731819.

Subtracting from 899098 its reverse (890998), we obtain a square (8100 = 90²).

The spelling of 899098 in words is "eight hundred ninety-nine thousand, ninety-eight".