2126798 has 4 divisors (see below), whose sum is σ = 3190200. Its totient is φ = 1063398.

The previous prime is 2126791. The next prime is 2126801. The reversal of 2126798 is 8976212.

It is a happy number.

2126798 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531698 + ... + 531701.

It is an arithmetic number, because the mean of its divisors is an integer number (797550).

2^2126798 is an apocalyptic number.

2126798 is a deficient number, since it is larger than the sum of its proper divisors (1063402).

2126798 is a wasteful number, since it uses less digits than its factorization.

2126798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1063401.

The product of its digits is 12096, while the sum is 35.

The square root of 2126798 is about 1458.3545522266. The cubic root of 2126798 is about 128.6003294231.

The spelling of 2126798 in words is "two million, one hundred twenty-six thousand, seven hundred ninety-eight".