704849 has 2 divisors, whose sum is σ = 704850. Its totient is φ = 704848.

The previous prime is 704839. The next prime is 704857. The reversal of 704849 is 948407.

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., 368449 + 336400 = 607^2 + 580^2 .

It is an emirp because it is prime and its reverse (948407) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 704849 - 2⁴ = 704833 is a prime.

It is a super-2 number, since 2×704849² = 993624225602, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (704819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352424 + 352425.

It is an arithmetic number, because the mean of its divisors is an integer number (352425).

2⁷⁰⁴⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

704849 is a deficient number, since it is larger than the sum of its proper divisors (1).

704849 is an equidigital number, since it uses as much as digits as its factorization.

704849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 704849 is about 839.5528571805. The cubic root of 704849 is about 88.9949498460.

The spelling of 704849 in words is "seven hundred four thousand, eight hundred forty-nine".