2098281 has 4 divisors (see below), whose sum is σ = 2797712. Its totient is φ = 1398852.

The previous prime is 2098279. The next prime is 2098289. The reversal of 2098281 is 1828902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2098281 - 2¹ = 2098279 is a prime.

It is a super-2 number, since 2×2098281² = 8805566309922, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098289) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 349711 + ... + 349716.

It is an arithmetic number, because the mean of its divisors is an integer number (699428).

2^2098281 is an apocalyptic number.

It is an amenable number.

2098281 is a deficient number, since it is larger than the sum of its proper divisors (699431).

2098281 is an equidigital number, since it uses as much as digits as its factorization.

2098281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699430.

The product of its (nonzero) digits is 2304, while the sum is 30.

The square root of 2098281 is about 1448.5444418450. The cubic root of 2098281 is about 128.0229654432.

The spelling of 2098281 in words is "two million, ninety-eight thousand, two hundred eighty-one".