2126738 has 8 divisors (see below), whose sum is σ = 3198000. Its totient is φ = 1060740.

The previous prime is 2126687. The next prime is 2126749. The reversal of 2126738 is 8376212.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2126738.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68 + ... + 2063.

It is an arithmetic number, because the mean of its divisors is an integer number (399750).

2^2126738 is an apocalyptic number.

2126738 is a deficient number, since it is larger than the sum of its proper divisors (1071262).

2126738 is a wasteful number, since it uses less digits than its factorization.

2126738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2632.

The product of its digits is 4032, while the sum is 29.

The square root of 2126738 is about 1458.3339809522. Note that the first 3 decimals coincide. The cubic root of 2126738 is about 128.5991200789.

The spelling of 2126738 in words is "two million, one hundred twenty-six thousand, seven hundred thirty-eight".