868828242 has 16 divisors (see below), whose sum is σ = 1737945792. Its totient is φ = 289561200.

The previous prime is 868828241. The next prime is 868828271. The reversal of 868828242 is 242828868.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 868828191 and 868828200.

It is not an unprimeable number, because it can be changed into a prime (868828241) 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, 61728 + ... + 74484.

It is an arithmetic number, because the mean of its divisors is an integer number (108621612).

Almost surely, 2^868828242 is an apocalyptic number.

868828242 is an abundant number, since it is smaller than the sum of its proper divisors (869117550).

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

868828242 is a wasteful number, since it uses less digits than its factorization.

868828242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24113.

The product of its digits is 786432, while the sum is 48.

The square root of 868828242 is about 29475.8925564604. The cubic root of 868828242 is about 954.2114931778.

The spelling of 868828242 in words is "eight hundred sixty-eight million, eight hundred twenty-eight thousand, two hundred forty-two".