911868 has 12 divisors (see below), whose sum is σ = 2127720. Its totient is φ = 303952.

The previous prime is 911861. The next prime is 911873. The reversal of 911868 is 868119.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (911861) by changing a digit.

911868 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37983 + ... + 38006.

It is an arithmetic number, because the mean of its divisors is an integer number (177310).

2⁹¹¹⁸⁶⁸ is an apocalyptic number.

It is an amenable number.

911868 is an abundant number, since it is smaller than the sum of its proper divisors (1215852).

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

911868 is a wasteful number, since it uses less digits than its factorization.

911868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75996 (or 75994 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 911868 is about 954.9177975093. The cubic root of 911868 is about 96.9714728171.

The spelling of 911868 in words is "nine hundred eleven thousand, eight hundred sixty-eight".