2049893 has 2 divisors, whose sum is σ = 2049894. Its totient is φ = 2049892.

The previous prime is 2049863. The next prime is 2049919. The reversal of 2049893 is 3989402.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2024929 + 24964 = 1423^2 + 158^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2049893 is a prime.

It is a super-2 number, since 2×2049893² = 8404122622898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2049823) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1024946 + 1024947.

It is an arithmetic number, because the mean of its divisors is an integer number (1024947).

2^2049893 is an apocalyptic number.

It is an amenable number.

2049893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2049893 is an equidigital number, since it uses as much as digits as its factorization.

2049893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 2049893 is about 1431.7447398192. The cubic root of 2049893 is about 127.0311990640.

The spelling of 2049893 in words is "two million, forty-nine thousand, eight hundred ninety-three".