14284440 has 48 divisors (see below), whose sum is σ = 46425600. Its totient is φ = 3809088.

The previous prime is 14284433. The next prime is 14284451. The reversal of 14284440 is 4448241.

It is a happy number.

14284440 is a `hidden beast` number, since 142 + 84 + 440 = 666.

It is a super-2 number, since 2×14284440² = 408090452227200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19480 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (967200).

Almost surely, 2^14284440 is an apocalyptic number.

14284440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14284440 is an abundant number, since it is smaller than the sum of its proper divisors (32141160).

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

14284440 is a wasteful number, since it uses less digits than its factorization.

14284440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39696 (or 39689 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

The square root of 14284440 is about 3779.4761541780. The cubic root of 14284440 is about 242.6355355280.

It can be divided in two parts, 142844 and 40, that added together give a square (142884 = 378²).

The spelling of 14284440 in words is "fourteen million, two hundred eighty-four thousand, four hundred forty".