11405868 has 24 divisors (see below), whose sum is σ = 26670000. Its totient is φ = 3793920.

The previous prime is 11405857. The next prime is 11405873. The reversal of 11405868 is 86850411.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8508 + ... + 9756.

It is an arithmetic number, because the mean of its divisors is an integer number (1111250).

Almost surely, 2^11405868 is an apocalyptic number.

It is an amenable number.

11405868 is an abundant number, since it is smaller than the sum of its proper divisors (15264132).

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

11405868 is a wasteful number, since it uses less digits than its factorization.

11405868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2017 (or 2015 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 33.

The square root of 11405868 is about 3377.2574672358. The cubic root of 11405868 is about 225.1003206955.

The spelling of 11405868 in words is "eleven million, four hundred five thousand, eight hundred sixty-eight".