1001868 has 24 divisors (see below), whose sum is σ = 2671872. Its totient is φ = 286224.

The previous prime is 1001839. The next prime is 1001911. The reversal of 1001868 is 8681001.

1001868 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 5880 + ... + 6047.

It is an arithmetic number, because the mean of its divisors is an integer number (111328).

2^1001868 is an apocalyptic number.

It is an amenable number.

1001868 is an abundant number, since it is smaller than the sum of its proper divisors (1670004).

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

1001868 is a wasteful number, since it uses less digits than its factorization.

1001868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11941 (or 11939 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 24.

The square root of 1001868 is about 1000.9335642289. The cubic root of 1001868 is about 100.0622279355.

Adding to 1001868 its reverse (8681001), we get a palindrome (9682869).

It can be divided in two parts, 1001 and 868, that multiplied together give a palindrome (868868).

The spelling of 1001868 in words is "one million, one thousand, eight hundred sixty-eight".