704985 has 16 divisors (see below), whose sum is σ = 1155264. Its totient is φ = 366912.

The previous prime is 704983. The next prime is 704989. The reversal of 704985 is 589407.

704985 = 261² + 262² + ... + 270².

704985 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 704985 - 2¹ = 704983 is a prime.

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99 + ... + 1191.

It is an arithmetic number, because the mean of its divisors is an integer number (72204).

2⁷⁰⁴⁹⁸⁵ is an apocalyptic number.

It is an amenable number.

704985 is a deficient number, since it is larger than the sum of its proper divisors (450279).

704985 is a wasteful number, since it uses less digits than its factorization.

704985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1144.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 704985 is about 839.6338487698. The cubic root of 704985 is about 89.0006733106. Note that the first 3 decimals are identical.

The spelling of 704985 in words is "seven hundred four thousand, nine hundred eighty-five".