2098571 has 4 divisors (see below), whose sum is σ = 2134200. Its totient is φ = 2062944.

The previous prime is 2098559. The next prime is 2098573. The reversal of 2098571 is 1758902.

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

It is a cyclic number.

It is not a de Polignac number, because 2098571 - 2¹⁴ = 2082187 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17726 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (533550).

2^2098571 is an apocalyptic number.

2098571 is a deficient number, since it is larger than the sum of its proper divisors (35629).

2098571 is an equidigital number, since it uses as much as digits as its factorization.

2098571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35628.

The product of its (nonzero) digits is 5040, while the sum is 32.

The square root of 2098571 is about 1448.6445388707. The cubic root of 2098571 is about 128.0288631200.

The spelling of 2098571 in words is "two million, ninety-eight thousand, five hundred seventy-one".