785648 has 10 divisors (see below), whose sum is σ = 1522224. Its totient is φ = 392816.

The previous prime is 785641. The next prime is 785651. The reversal of 785648 is 846587.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785641) by changing a digit.

785648 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 (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24536 + ... + 24567.

2⁷⁸⁵⁶⁴⁸ is an apocalyptic number.

It is an amenable number.

785648 is a deficient number, since it is larger than the sum of its proper divisors (736576).

785648 is a wasteful number, since it uses less digits than its factorization.

785648 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49111 (or 49105 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 785648 is about 886.3678694538. The cubic root of 785648 is about 92.2732894589.

The spelling of 785648 in words is "seven hundred eighty-five thousand, six hundred forty-eight".