7444889 has 2 divisors, whose sum is σ = 7444890. Its totient is φ = 7444888.

The previous prime is 7444883. The next prime is 7444897. The reversal of 7444889 is 9884447.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7246864 + 198025 = 2692^2 + 445^2 .

It is a cyclic number.

It is not a de Polignac number, because 7444889 - 2⁴ = 7444873 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (7444883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3722444 + 3722445.

It is an arithmetic number, because the mean of its divisors is an integer number (3722445).

Almost surely, 2^7444889 is an apocalyptic number.

It is an amenable number.

7444889 is a deficient number, since it is larger than the sum of its proper divisors (1).

7444889 is an equidigital number, since it uses as much as digits as its factorization.

7444889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 258048, while the sum is 44.

The square root of 7444889 is about 2728.5323893991. The cubic root of 7444889 is about 195.2627533977.

The spelling of 7444889 in words is "seven million, four hundred forty-four thousand, eight hundred eighty-nine".