2834921 has 2 divisors, whose sum is σ = 2834922. Its totient is φ = 2834920.

The previous prime is 2834893. The next prime is 2834939. The reversal of 2834921 is 1294382.

2834921 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1537600 + 1297321 = 1240^2 + 1139^2 .

It is a cyclic number.

It is not a de Polignac number, because 2834921 - 2¹⁴ = 2818537 is a prime.

It is not a weakly prime, because it can be changed into another prime (2834521) 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, 1417460 + 1417461.

It is an arithmetic number, because the mean of its divisors is an integer number (1417461).

2^2834921 is an apocalyptic number.

It is an amenable number.

2834921 is a deficient number, since it is larger than the sum of its proper divisors (1).

2834921 is an equidigital number, since it uses as much as digits as its factorization.

2834921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 29.

The square root of 2834921 is about 1683.7223642869. The cubic root of 2834921 is about 141.5295047665.

The spelling of 2834921 in words is "two million, eight hundred thirty-four thousand, nine hundred twenty-one".