14214840 has 32 divisors (see below), whose sum is σ = 42644880. Its totient is φ = 3790592.

The previous prime is 14214817. The next prime is 14214847. The reversal of 14214840 is 4841241.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 14214840.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14214847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59109 + ... + 59348.

Almost surely, 2^14214840 is an apocalyptic number.

14214840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14214840 is an abundant number, since it is smaller than the sum of its proper divisors (28430040).

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

14214840 is a wasteful number, since it uses less digits than its factorization.

14214840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118471 (or 118467 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 24.

The square root of 14214840 is about 3770.2572856504. The cubic root of 14214840 is about 242.2408184933.

The spelling of 14214840 in words is "fourteen million, two hundred fourteen thousand, eight hundred forty".