889479449 has 2 divisors, whose sum is σ = 889479450. Its totient is φ = 889479448.

The previous prime is 889479403. The next prime is 889479473. The reversal of 889479449 is 944974988.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 836655625 + 52823824 = 28925^2 + 7268^2 .

It is a cyclic number.

It is not a de Polignac number, because 889479449 - 2²⁸ = 621043993 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 889479391 and 889479400.

It is not a weakly prime, because it can be changed into another prime (889479499) 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, 444739724 + 444739725.

It is an arithmetic number, because the mean of its divisors is an integer number (444739725).

Almost surely, 2^889479449 is an apocalyptic number.

It is an amenable number.

889479449 is a deficient number, since it is larger than the sum of its proper divisors (1).

889479449 is an equidigital number, since it uses as much as digits as its factorization.

889479449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20901888, while the sum is 62.

The square root of 889479449 is about 29824.1420496885. The cubic root of 889479449 is about 961.7126001660.

The spelling of 889479449 in words is "eight hundred eighty-nine million, four hundred seventy-nine thousand, four hundred forty-nine".