2099893 has 2 divisors, whose sum is σ = 2099894. Its totient is φ = 2099892.

The previous prime is 2099887. The next prime is 2099921. The reversal of 2099893 is 3989902.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2093809 + 6084 = 1447^2 + 78^2 .

It is a cyclic number.

It is not a de Polignac number, because 2099893 - 2²¹ = 2741 is a prime.

It is a super-2 number, since 2×2099893² = 8819101222898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2099863) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049946 + 1049947.

It is an arithmetic number, because the mean of its divisors is an integer number (1049947).

2^2099893 is an apocalyptic number.

It is an amenable number.

2099893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2099893 is an equidigital number, since it uses as much as digits as its factorization.

2099893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 40.

The square root of 2099893 is about 1449.1007556412. The cubic root of 2099893 is about 128.0557415099.

It can be divided in two parts, 2099 and 893, that added together give a palindrome (2992).

The spelling of 2099893 in words is "two million, ninety-nine thousand, eight hundred ninety-three".