11843481 has 8 divisors (see below), whose sum is σ = 17006080. Its totient is φ = 7288272.

The previous prime is 11843477. The next prime is 11843501. The reversal of 11843481 is 18434811.

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

It is not a de Polignac number, because 11843481 - 2² = 11843477 is a prime.

It is a super-2 number, since 2×11843481² = 280536084394722, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11843401) 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, 151801 + ... + 151878.

It is an arithmetic number, because the mean of its divisors is an integer number (2125760).

Almost surely, 2^11843481 is an apocalyptic number.

It is an amenable number.

11843481 is a deficient number, since it is larger than the sum of its proper divisors (5162599).

11843481 is a wasteful number, since it uses less digits than its factorization.

11843481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303695.

The product of its digits is 3072, while the sum is 30.

The square root of 11843481 is about 3441.4358921822. The cubic root of 11843481 is about 227.9431029156.

The spelling of 11843481 in words is "eleven million, eight hundred forty-three thousand, four hundred eighty-one".