2442889 has 2 divisors, whose sum is σ = 2442890. Its totient is φ = 2442888.

The previous prime is 2442871. The next prime is 2442907. The reversal of 2442889 is 9882442.

It is a balanced prime because it is at equal distance from previous prime (2442871) and next prime (2442907).

It can be written as a sum of positive squares in only one way, i.e., 2371600 + 71289 = 1540^2 + 267^2 .

It is a cyclic number.

It is not a de Polignac number, because 2442889 - 2¹⁷ = 2311817 is a prime.

It is a nialpdrome in base 12.

It is not a weakly prime, because it can be changed into another prime (2442809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1221444 + 1221445.

It is an arithmetic number, because the mean of its divisors is an integer number (1221445).

2^2442889 is an apocalyptic number.

It is an amenable number.

2442889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2442889 is an equidigital number, since it uses as much as digits as its factorization.

2442889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36864, while the sum is 37.

The square root of 2442889 is about 1562.9744079799. The cubic root of 2442889 is about 134.6794222415.

The spelling of 2442889 in words is "two million, four hundred forty-two thousand, eight hundred eighty-nine".