11945844 has 36 divisors (see below), whose sum is σ = 30392544. Its totient is φ = 3956112.

The previous prime is 11945839. The next prime is 11945861. The reversal of 11945844 is 44854911.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 11945799 and 11945808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5019 + ... + 7005.

Almost surely, 2^11945844 is an apocalyptic number.

It is an amenable number.

11945844 is an abundant number, since it is smaller than the sum of its proper divisors (18446700).

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

11945844 is a wasteful number, since it uses less digits than its factorization.

11945844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164 (or 2159 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 11945844 is about 3456.2760306434. The cubic root of 11945844 is about 228.5979227473.

The spelling of 11945844 in words is "eleven million, nine hundred forty-five thousand, eight hundred forty-four".