704889 has 8 divisors (see below), whose sum is σ = 1044320. Its totient is φ = 469908.

The previous prime is 704867. The next prime is 704897. The reversal of 704889 is 988407.

704889 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 704889 - 2⁵ = 704857 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 15.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704889.

It is not an unprimeable number, because it can be changed into a prime (704819) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13027 + ... + 13080.

It is an arithmetic number, because the mean of its divisors is an integer number (130540).

704889 is a Friedman number, since it can be written as 89^(7-4)-80, using all its digits and the basic arithmetic operations.

2⁷⁰⁴⁸⁸⁹ is an apocalyptic number.

It is an amenable number.

704889 is a deficient number, since it is larger than the sum of its proper divisors (339431).

704889 is a wasteful number, since it uses less digits than its factorization.

704889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26116 (or 26110 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 704889 is about 839.5766790472. The cubic root of 704889 is about 88.9966332944.

The spelling of 704889 in words is "seven hundred four thousand, eight hundred eighty-nine".