14091940 has 24 divisors (see below), whose sum is σ = 29688120. Its totient is φ = 5618688.

The previous prime is 14091937. The next prime is 14091943. The reversal of 14091940 is 4919041.

It is an interprime number because it is at equal distance from previous prime (14091937) and next prime (14091943).

It can be written as a sum of positive squares in 4 ways, for example, as 1517824 + 12574116 = 1232^2 + 3546^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14091899 and 14091908.

It is not an unprimeable number, because it can be changed into a prime (14091943) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6516 + ... + 8404.

It is an arithmetic number, because the mean of its divisors is an integer number (1237005).

Almost surely, 2^14091940 is an apocalyptic number.

14091940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14091940 is an abundant number, since it is smaller than the sum of its proper divisors (15596180).

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

14091940 is a wasteful number, since it uses less digits than its factorization.

14091940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2271 (or 2269 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 14091940 is about 3753.9232810488. The cubic root of 14091940 is about 241.5406673081.

The spelling of 14091940 in words is "fourteen million, ninety-one thousand, nine hundred forty".