7446889 has 2 divisors, whose sum is σ = 7446890. Its totient is φ = 7446888.

The previous prime is 7446863. The next prime is 7446893. The reversal of 7446889 is 9886447.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 5736025 + 1710864 = 2395^2 + 1308^2 .

It is a cyclic number.

It is not a de Polignac number, because 7446889 - 2⁹ = 7446377 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (7446839) 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, 3723444 + 3723445.

It is an arithmetic number, because the mean of its divisors is an integer number (3723445).

Almost surely, 2^7446889 is an apocalyptic number.

It is an amenable number.

7446889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7446889 is an equidigital number, since it uses as much as digits as its factorization.

7446889 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 46.

The square root of 7446889 is about 2728.8988621787. The cubic root of 7446889 is about 195.2802370047.

The spelling of 7446889 in words is "seven million, four hundred forty-six thousand, eight hundred eighty-nine".