2126693 has 6 divisors (see below), whose sum is σ = 2198502. Its totient is φ = 2057160.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126693 is 3966212.

It can be written as a sum of positive squares in only one way, i.e., 2122849 + 3844 = 1457^2 + 62^2 .

It is not a de Polignac number, because 2126693 - 2¹⁸ = 1864549 is a prime.

It is a d-powerful number, because it can be written as 2¹⁷ + 1 + 2¹⁷ + 6⁵ + 6⁸ + 9 + 3¹¹ .

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 146 + ... + 2067.

It is an arithmetic number, because the mean of its divisors is an integer number (366417).

2^2126693 is an apocalyptic number.

It is an amenable number.

2126693 is a deficient number, since it is larger than the sum of its proper divisors (71809).

2126693 is an equidigital number, since it uses as much as digits as its factorization.

2126693 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2275 (or 2244 counting only the distinct ones).

The product of its digits is 3888, while the sum is 29.

The square root of 2126693 is about 1458.3185523060. The cubic root of 2126693 is about 128.5982130559.

The spelling of 2126693 in words is "two million, one hundred twenty-six thousand, six hundred ninety-three".