786842 has 32 divisors (see below), whose sum is σ = 1459200. Its totient is φ = 317520.

The previous prime is 786833. The next prime is 786859. The reversal of 786842 is 248687.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21248 + ... + 21284.

It is an arithmetic number, because the mean of its divisors is an integer number (45600).

2⁷⁸⁶⁸⁴² is an apocalyptic number.

786842 is a deficient number, since it is larger than the sum of its proper divisors (672358).

786842 is a wasteful number, since it uses less digits than its factorization.

786842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91 (or 77 counting only the distinct ones).

The product of its digits is 21504, while the sum is 35.

The square root of 786842 is about 887.0411489892. The cubic root of 786842 is about 92.3200103576.

The spelling of 786842 in words is "seven hundred eighty-six thousand, eight hundred forty-two".