2126349 has 6 divisors (see below), whose sum is σ = 3071406. Its totient is φ = 1417560.

The previous prime is 2126339. The next prime is 2126351. The reversal of 2126349 is 9436212.

2126349 is a `hidden beast` number, since 21 + 2 + 634 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2082249 + 44100 = 1443^2 + 210^2 .

It is not a de Polignac number, because 2126349 - 2⁵ = 2126317 is a prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 2¹³ + 1 + 2²¹ + 6⁴ + 3⁹ + 4² + 9 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2126329) 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, 118122 + ... + 118139.

It is an arithmetic number, because the mean of its divisors is an integer number (511901).

2^2126349 is an apocalyptic number.

It is an amenable number.

2126349 is a deficient number, since it is larger than the sum of its proper divisors (945057).

2126349 is a wasteful number, since it uses less digits than its factorization.

2126349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236267 (or 236264 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 2126349 is about 1458.2006034836. The cubic root of 2126349 is about 128.5912789457.

It can be divided in two parts, 21263 and 49, that added together give a palindrome (21312).

The spelling of 2126349 in words is "two million, one hundred twenty-six thousand, three hundred forty-nine".