704810989 has 8 divisors (see below), whose sum is σ = 715771808. Its totient is φ = 693863280.

The previous prime is 704810969. The next prime is 704810999. The reversal of 704810989 is 989018407.

It is a happy number.

704810989 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 704810989 - 2⁷ = 704810861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (704810929) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211474 + ... + 214780.

It is an arithmetic number, because the mean of its divisors is an integer number (89471476).

Almost surely, 2^704810989 is an apocalyptic number.

It is an amenable number.

704810989 is a deficient number, since it is larger than the sum of its proper divisors (10960819).

704810989 is a wasteful number, since it uses less digits than its factorization.

704810989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6555.

The product of its (nonzero) digits is 145152, while the sum is 46.

The square root of 704810989 is about 26548.2765730659. The cubic root of 704810989 is about 889.9335004810.

The spelling of 704810989 in words is "seven hundred four million, eight hundred ten thousand, nine hundred eighty-nine".