704489 has 4 divisors (see below), whose sum is σ = 716100. Its totient is φ = 692880.

The previous prime is 704477. The next prime is 704507. The reversal of 704489 is 984407.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 350464 + 354025 = 592^2 + 595^2 .

It is a cyclic number.

It is not a de Polignac number, because 704489 - 2⁸ = 704233 is a prime.

It is a super-2 number, since 2×704489² = 992609502242, which contains 22 as substring.

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 704489.

It is not an unprimeable number, because it can be changed into a prime (704419) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5714 + ... + 5835.

It is an arithmetic number, because the mean of its divisors is an integer number (179025).

2⁷⁰⁴⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

704489 is a deficient number, since it is larger than the sum of its proper divisors (11611).

704489 is a wasteful number, since it uses less digits than its factorization.

704489 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610.

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

The square root of 704489 is about 839.3384299554. The cubic root of 704489 is about 88.9797959440.

The spelling of 704489 in words is "seven hundred four thousand, four hundred eighty-nine".