2746921 has 2 divisors, whose sum is σ = 2746922. Its totient is φ = 2746920.

The previous prime is 2746901. The next prime is 2746949. The reversal of 2746921 is 1296472.

2746921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2205225 + 541696 = 1485^2 + 736^2 .

It is a cyclic number.

It is not a de Polignac number, because 2746921 - 2⁵ = 2746889 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2746901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1373460 + 1373461.

It is an arithmetic number, because the mean of its divisors is an integer number (1373461).

2^2746921 is an apocalyptic number.

It is an amenable number.

2746921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2746921 is an equidigital number, since it uses as much as digits as its factorization.

2746921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 31.

The square root of 2746921 is about 1657.3837817476. The cubic root of 2746921 is about 140.0496592541.

The spelling of 2746921 in words is "two million, seven hundred forty-six thousand, nine hundred twenty-one".