704819 has 2 divisors, whose sum is σ = 704820. Its totient is φ = 704818.

The previous prime is 704807. The next prime is 704833. The reversal of 704819 is 918407.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704819 is a prime.

It is a super-2 number, since 2×704819² = 993539645522, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 704791 and 704800.

It is not a weakly prime, because it can be changed into another prime (704839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352409 + 352410.

It is an arithmetic number, because the mean of its divisors is an integer number (352410).

2⁷⁰⁴⁸¹⁹ is an apocalyptic number.

704819 is a deficient number, since it is larger than the sum of its proper divisors (1).

704819 is an equidigital number, since it uses as much as digits as its factorization.

704819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 29.

The square root of 704819 is about 839.5349903369. The cubic root of 704819 is about 88.9936872179.

The spelling of 704819 in words is "seven hundred four thousand, eight hundred nineteen".