11343891 has 8 divisors (see below), whose sum is σ = 16288720. Its totient is φ = 6980832.

The previous prime is 11343881. The next prime is 11343907. The reversal of 11343891 is 19834311.

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

It is not a de Polignac number, because 11343891 - 2⁷ = 11343763 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11343821) 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, 145396 + ... + 145473.

It is an arithmetic number, because the mean of its divisors is an integer number (2036090).

Almost surely, 2^11343891 is an apocalyptic number.

11343891 is a deficient number, since it is larger than the sum of its proper divisors (4944829).

11343891 is a wasteful number, since it uses less digits than its factorization.

11343891 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290885.

The product of its digits is 2592, while the sum is 30.

The square root of 11343891 is about 3368.0693282651. The cubic root of 11343891 is about 224.6918646239.

The spelling of 11343891 in words is "eleven million, three hundred forty-three thousand, eight hundred ninety-one".