2134849 has 2 divisors, whose sum is σ = 2134850. Its totient is φ = 2134848.

The previous prime is 2134841. The next prime is 2134861. The reversal of 2134849 is 9484312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2131600 + 3249 = 1460^2 + 57^2 .

It is a cyclic number.

It is not a de Polignac number, because 2134849 - 2³ = 2134841 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2134849.

It is not a weakly prime, because it can be changed into another prime (2134841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067424 + 1067425.

It is an arithmetic number, because the mean of its divisors is an integer number (1067425).

2^2134849 is an apocalyptic number.

It is an amenable number.

2134849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2134849 is an equidigital number, since it uses as much as digits as its factorization.

2134849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 31.

The square root of 2134849 is about 1461.1122475703. The cubic root of 2134849 is about 128.7623973986.

The spelling of 2134849 in words is "two million, one hundred thirty-four thousand, eight hundred forty-nine".