4103891 has 8 divisors (see below), whose sum is σ = 4494000. Its totient is φ = 3716640.

The previous prime is 4103887. The next prime is 4103893. The reversal of 4103891 is 1983014.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4103891 - 2² = 4103887 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4103891.

It is not an unprimeable number, because it can be changed into a prime (4103893) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3305 + ... + 4373.

It is an arithmetic number, because the mean of its divisors is an integer number (561750).

Almost surely, 2^4103891 is an apocalyptic number.

4103891 is a deficient number, since it is larger than the sum of its proper divisors (390109).

4103891 is a wasteful number, since it uses less digits than its factorization.

4103891 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1429.

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 4103891 is about 2025.8062592459. The cubic root of 4103891 is about 160.1026814849.

It can be divided in two parts, 4103 and 891, that added together give a palindrome (4994).

The spelling of 4103891 in words is "four million, one hundred three thousand, eight hundred ninety-one".