11343940 has 24 divisors (see below), whose sum is σ = 24093720. Its totient is φ = 4485888.

The previous prime is 11343919. The next prime is 11343949. The reversal of 11343940 is 4934311.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1218816 + 10125124 = 1104^2 + 3182^2 .

It is not an unprimeable number, because it can be changed into a prime (11343949) 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, 1407 + ... + 4966.

It is an arithmetic number, because the mean of its divisors is an integer number (1003905).

Almost surely, 2^11343940 is an apocalyptic number.

11343940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11343940 is an abundant number, since it is smaller than the sum of its proper divisors (12749780).

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

11343940 is a wasteful number, since it uses less digits than its factorization.

11343940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6471 (or 6469 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 11343940 is about 3368.0766024543. The cubic root of 11343940 is about 224.6921881427.

The spelling of 11343940 in words is "eleven million, three hundred forty-three thousand, nine hundred forty".