11843851 has 4 divisors (see below), whose sum is σ = 11986632. Its totient is φ = 11701072.

The previous prime is 11843809. The next prime is 11843879. The reversal of 11843851 is 15834811.

11843851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11843851 - 2¹⁵ = 11811083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11844851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71266 + ... + 71431.

It is an arithmetic number, because the mean of its divisors is an integer number (2996658).

Almost surely, 2^11843851 is an apocalyptic number.

11843851 is a deficient number, since it is larger than the sum of its proper divisors (142781).

11843851 is an equidigital number, since it uses as much as digits as its factorization.

11843851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142780.

The product of its digits is 3840, while the sum is 31.

The square root of 11843851 is about 3441.4896483936. The cubic root of 11843851 is about 227.9454766003.

The spelling of 11843851 in words is "eleven million, eight hundred forty-three thousand, eight hundred fifty-one".