2126782 has 16 divisors (see below), whose sum is σ = 3697632. Its totient is φ = 898560.

The previous prime is 2126779. The next prime is 2126783. The reversal of 2126782 is 2876212.

It is a self number, because there is not a number n which added to its sum of digits gives 2126782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19 + ... + 2062.

It is an arithmetic number, because the mean of its divisors is an integer number (231102).

2^2126782 is an apocalyptic number.

2126782 is a deficient number, since it is larger than the sum of its proper divisors (1570850).

2126782 is a wasteful number, since it uses less digits than its factorization.

2126782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2163.

The product of its digits is 2688, while the sum is 28.

The square root of 2126782 is about 1458.3490665818. The cubic root of 2126782 is about 128.6000069335.

The spelling of 2126782 in words is "two million, one hundred twenty-six thousand, seven hundred eighty-two".