704863906 has 8 divisors (see below), whose sum is σ = 1074628764. Its totient is φ = 346654320.

The previous prime is 704863897. The next prime is 704863909. The reversal of 704863906 is 609368407.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 666930625 + 37933281 = 25825^2 + 6159^2 .

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

It is not an unprimeable number, because it can be changed into a prime (704863909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2888665 + ... + 2888908.

Almost surely, 2^704863906 is an apocalyptic number.

704863906 is a deficient number, since it is larger than the sum of its proper divisors (369764858).

704863906 is a wasteful number, since it uses less digits than its factorization.

704863906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777636.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 704863906 is about 26549.2731727255. The cubic root of 704863906 is about 889.9557719047.

The spelling of 704863906 in words is "seven hundred four million, eight hundred sixty-three thousand, nine hundred six".