14388940 has 12 divisors (see below), whose sum is σ = 30216816. Its totient is φ = 5755568.

The previous prime is 14388911. The next prime is 14388943. The reversal of 14388940 is 4988341.

It is a self number, because there is not a number n which added to its sum of digits gives 14388940.

It is not an unprimeable number, because it can be changed into a prime (14388943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 359704 + ... + 359743.

It is an arithmetic number, because the mean of its divisors is an integer number (2518068).

Almost surely, 2^14388940 is an apocalyptic number.

14388940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14388940 is an abundant number, since it is smaller than the sum of its proper divisors (15827876).

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

14388940 is a wasteful number, since it uses less digits than its factorization.

14388940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 719456 (or 719454 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 14388940 is about 3793.2756293209. The cubic root of 14388940 is about 243.2257776159.

The spelling of 14388940 in words is "fourteen million, three hundred eighty-eight thousand, nine hundred forty".