704816 has 60 divisors (see below), whose sum is σ = 1696320. Its totient is φ = 282240.

The previous prime is 704807. The next prime is 704819. The reversal of 704816 is 618407.

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

704816 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 22721 + ... + 22751.

It is an arithmetic number, because the mean of its divisors is an integer number (28272).

2⁷⁰⁴⁸¹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (848160).

704816 is an abundant number, since it is smaller than the sum of its proper divisors (991504).

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

704816 is a wasteful number, since it uses less digits than its factorization.

704816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 704816 is about 839.5332036316. The cubic root of 704816 is about 88.9935609532.

The spelling of 704816 in words is "seven hundred four thousand, eight hundred sixteen".