704838 has 16 divisors (see below), whose sum is σ = 1428480. Its totient is φ = 231816.

The previous prime is 704833. The next prime is 704839. The reversal of 704838 is 838407.

It is a Curzon 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 (704833) by changing a digit.

704838 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (89280).

2⁷⁰⁴⁸³⁸ is an apocalyptic number.

704838 is an abundant number, since it is smaller than the sum of its proper divisors (723642).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

704838 is a wasteful number, since it uses less digits than its factorization.

704838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 704838 is about 839.5463060487. The cubic root of 704838 is about 88.9944868865.

The spelling of 704838 in words is "seven hundred four thousand, eight hundred thirty-eight".