2469889 has 2 divisors, whose sum is σ = 2469890. Its totient is φ = 2469888.

The previous prime is 2469871. The next prime is 2469893. The reversal of 2469889 is 9889642.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2455489 + 14400 = 1567^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 2469889 - 2¹⁵ = 2437121 is a prime.

It is a super-2 number, since 2×2469889² = 12200703344642, which contains 22 as substring.

2469889 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (2469869) 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, 1234944 + 1234945.

It is an arithmetic number, because the mean of its divisors is an integer number (1234945).

It is a Proth number, since it is equal to 603 ⋅ 2¹² + 1 and 603 < 2¹².

2^2469889 is an apocalyptic number.

It is an amenable number.

2469889 is a deficient number, since it is larger than the sum of its proper divisors (1).

2469889 is an equidigital number, since it uses as much as digits as its factorization.

2469889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 248832, while the sum is 46.

The square root of 2469889 is about 1571.5880503491. The cubic root of 2469889 is about 135.1737862474.

The spelling of 2469889 in words is "two million, four hundred sixty-nine thousand, eight hundred eighty-nine".