14234778 has 20 divisors (see below), whose sum is σ = 31896810. Its totient is φ = 4744872.

The previous prime is 14234771. The next prime is 14234783. The reversal of 14234778 is 87743241.

It is a happy number.

14234778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 14085009 + 149769 = 3753^2 + 387^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14234771) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 43773 + ... + 44096.

Almost surely, 2^14234778 is an apocalyptic number.

14234778 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

14234778 is an abundant number, since it is smaller than the sum of its proper divisors (17662032).

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

14234778 is an equidigital number, since it uses as much as digits as its factorization.

14234778 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87883 (or 87874 counting only the distinct ones).

The product of its digits is 37632, while the sum is 36.

The square root of 14234778 is about 3772.9004757613. The cubic root of 14234778 is about 242.3540227473.

The spelling of 14234778 in words is "fourteen million, two hundred thirty-four thousand, seven hundred seventy-eight".