704888406 has 80 divisors (see below), whose sum is σ = 1693020384. Its totient is φ = 218630016.

The previous prime is 704888389. The next prime is 704888411. The reversal of 704888406 is 604888407.

704888406 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 135306 + ... + 140418.

Almost surely, 2^704888406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 704888406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (846510192).

704888406 is an abundant number, since it is smaller than the sum of its proper divisors (988131978).

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

704888406 is a wasteful number, since it uses less digits than its factorization.

704888406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5187 (or 5178 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 704888406 is about 26549.7345749444. The cubic root of 704888406 is about 889.9660829561.

Subtracting from 704888406 its reverse (604888407), we obtain a palindrome (99999999).

The spelling of 704888406 in words is "seven hundred four million, eight hundred eighty-eight thousand, four hundred six".