704887 has 4 divisors (see below), whose sum is σ = 723976. Its totient is φ = 685800.

The previous prime is 704867. The next prime is 704897. The reversal of 704887 is 788407.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 788407 = 167 ⋅4721.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-704887 is a prime.

It is a Duffinian number.

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 (704807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9489 + ... + 9562.

It is an arithmetic number, because the mean of its divisors is an integer number (180994).

2⁷⁰⁴⁸⁸⁷ is an apocalyptic number.

704887 is a deficient number, since it is larger than the sum of its proper divisors (19089).

704887 is a wasteful number, since it uses less digits than its factorization.

704887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19088.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 704887 is about 839.5754879700. The cubic root of 704887 is about 88.9965491234.

The spelling of 704887 in words is "seven hundred four thousand, eight hundred eighty-seven".