2098291 has 4 divisors (see below), whose sum is σ = 2259712. Its totient is φ = 1936872.

The previous prime is 2098289. The next prime is 2098321. The reversal of 2098291 is 1928902.

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 2098291 - 2¹ = 2098289 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2098211) 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, 80691 + ... + 80716.

It is an arithmetic number, because the mean of its divisors is an integer number (564928).

2^2098291 is an apocalyptic number.

2098291 is a deficient number, since it is larger than the sum of its proper divisors (161421).

2098291 is a wasteful number, since it uses less digits than its factorization.

2098291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 161420.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 2098291 is about 1448.5478935817. The cubic root of 2098291 is about 128.0231688204.

The spelling of 2098291 in words is "two million, ninety-eight thousand, two hundred ninety-one".