14381940 has 24 divisors (see below), whose sum is σ = 40269600. Its totient is φ = 3835168.

The previous prime is 14381933. The next prime is 14381947. The reversal of 14381940 is 4918341.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (14381933) and next prime (14381947).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 14381898 and 14381907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14381947) 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, 119790 + ... + 119909.

It is an arithmetic number, because the mean of its divisors is an integer number (1677900).

Almost surely, 2^14381940 is an apocalyptic number.

14381940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14381940 is an abundant number, since it is smaller than the sum of its proper divisors (25887660).

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

14381940 is a wasteful number, since it uses less digits than its factorization.

14381940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239711 (or 239709 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 14381940 is about 3792.3528316864. The cubic root of 14381940 is about 243.1863293403.

The spelling of 14381940 in words is "fourteen million, three hundred eighty-one thousand, nine hundred forty".