2098969 has 4 divisors (see below), whose sum is σ = 2127796. Its totient is φ = 2070144.

The previous prime is 2098961. The next prime is 2098981. The reversal of 2098969 is 9698902.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1625625 + 473344 = 1275^2 + 688^2 .

It is a cyclic number.

It is not a de Polignac number, because 2098969 - 2³ = 2098961 is a prime.

It is a super-2 number, since 2×2098969² = 8811341725922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2098961) 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, 14304 + ... + 14449.

It is an arithmetic number, because the mean of its divisors is an integer number (531949).

2^2098969 is an apocalyptic number.

It is an amenable number.

2098969 is a deficient number, since it is larger than the sum of its proper divisors (28827).

2098969 is an equidigital number, since it uses as much as digits as its factorization.

2098969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28826.

The product of its (nonzero) digits is 69984, while the sum is 43.

The square root of 2098969 is about 1448.7819021509. The cubic root of 2098969 is about 128.0369562886.

It can be divided in two parts, 20 and 98969, that added together give a palindrome (98989).

The spelling of 2098969 in words is "two million, ninety-eight thousand, nine hundred sixty-nine".