768858 has 16 divisors (see below), whose sum is σ = 1551360. Its totient is φ = 254016.

The previous prime is 768857. The next prime is 768869. The reversal of 768858 is 858867.

It is a happy number.

It is a super-2 number, since 2×768858² = 1182285248328, which contains 22 as substring.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 768858.

It is not an unprimeable number, because it can be changed into a prime (768851) 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 7 ways as a sum of consecutive naturals, for example, 258 + ... + 1266.

It is an arithmetic number, because the mean of its divisors is an integer number (96960).

2⁷⁶⁸⁸⁵⁸ is an apocalyptic number.

768858 is an abundant number, since it is smaller than the sum of its proper divisors (782502).

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

768858 is a wasteful number, since it uses less digits than its factorization.

768858 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1141.

The product of its digits is 107520, while the sum is 42.

The square root of 768858 is about 876.8454823970. The cubic root of 768858 is about 91.6112296575.

Subtracting 768858 from its reverse (858867), we obtain a palindrome (90009).

The spelling of 768858 in words is "seven hundred sixty-eight thousand, eight hundred fifty-eight".