791489 has 2 divisors, whose sum is σ = 791490. Its totient is φ = 791488.

The previous prime is 791473. The next prime is 791519. The reversal of 791489 is 984197.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 748225 + 43264 = 865^2 + 208^2 .

It is a cyclic number.

It is not a de Polignac number, because 791489 - 2⁴ = 791473 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (791419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 395744 + 395745.

It is an arithmetic number, because the mean of its divisors is an integer number (395745).

2⁷⁹¹⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

791489 is a deficient number, since it is larger than the sum of its proper divisors (1).

791489 is an equidigital number, since it uses as much as digits as its factorization.

791489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 38.

The square root of 791489 is about 889.6566753529. The cubic root of 791489 is about 92.5013975927.

The spelling of 791489 in words is "seven hundred ninety-one thousand, four hundred eighty-nine".