14233640 has 16 divisors (see below), whose sum is σ = 32025780. Its totient is φ = 5693440.

The previous prime is 14233631. The next prime is 14233643. The reversal of 14233640 is 4633241.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13147876 + 1085764 = 3626^2 + 1042^2 .

It is not an unprimeable number, because it can be changed into a prime (14233643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 177881 + ... + 177960.

Almost surely, 2^14233640 is an apocalyptic number.

14233640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14233640 is an abundant number, since it is smaller than the sum of its proper divisors (17792140).

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

14233640 is a wasteful number, since it uses less digits than its factorization.

14233640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355852 (or 355848 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 14233640 is about 3772.7496603936. The cubic root of 14233640 is about 242.3475642406.

Adding to 14233640 its reverse (4633241), we get a palindrome (18866881).

The spelling of 14233640 in words is "fourteen million, two hundred thirty-three thousand, six hundred forty".