2099369 has 2 divisors, whose sum is σ = 2099370. Its totient is φ = 2099368.

The previous prime is 2099359. The next prime is 2099387. The reversal of 2099369 is 9639902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1993744 + 105625 = 1412^2 + 325^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099369 - 2¹⁶ = 2033833 is a prime.

It is a super-2 number, since 2×2099369² = 8814700396322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2099309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049684 + 1049685.

It is an arithmetic number, because the mean of its divisors is an integer number (1049685).

2^2099369 is an apocalyptic number.

It is an amenable number.

2099369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099369 is an equidigital number, since it uses as much as digits as its factorization.

2099369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 26244, while the sum is 38.

The square root of 2099369 is about 1448.9199425779. The cubic root of 2099369 is about 128.0450890956.

The spelling of 2099369 in words is "two million, ninety-nine thousand, three hundred sixty-nine".