785641304 has 96 divisors (see below), whose sum is σ = 1772052480. Its totient is φ = 325394496.

The previous prime is 785641289. The next prime is 785641309. The reversal of 785641304 is 403146587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785641309) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2140529 + ... + 2140895.

It is an arithmetic number, because the mean of its divisors is an integer number (18458880).

Almost surely, 2^785641304 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 785641304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (886026240).

785641304 is an abundant number, since it is smaller than the sum of its proper divisors (986411176).

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

785641304 is a wasteful number, since it uses less digits than its factorization.

785641304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 557 (or 546 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 785641304 is about 28029.2936764379. The cubic root of 785641304 is about 922.7302731283.

The spelling of 785641304 in words is "seven hundred eighty-five million, six hundred forty-one thousand, three hundred four".