14538940 has 48 divisors (see below), whose sum is σ = 33163200. Its totient is φ = 5322240.

The previous prime is 14538929. The next prime is 14538943. The reversal of 14538940 is 4983541.

It is a super-2 number, since 2×14538940² = 422761552647200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14538896 and 14538905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14538943) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51600 + ... + 51880.

It is an arithmetic number, because the mean of its divisors is an integer number (690900).

Almost surely, 2^14538940 is an apocalyptic number.

14538940 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14538940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16581600).

14538940 is an abundant number, since it is smaller than the sum of its proper divisors (18624260).

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

14538940 is a wasteful number, since it uses less digits than its factorization.

14538940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 502 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 14538940 is about 3812.9961972181. The cubic root of 14538940 is about 244.0680406861.

The spelling of 14538940 in words is "fourteen million, five hundred thirty-eight thousand, nine hundred forty".