14890240 has 36 divisors (see below), whose sum is σ = 35669844. Its totient is φ = 5955584.

The previous prime is 14890237. The next prime is 14890247. The reversal of 14890240 is 4209841.

It can be written as a sum of positive squares in 2 ways, for example, as 7750656 + 7139584 = 2784^2 + 2672^2 .

It is a junction number, because it is equal to n+sod(n) for n = 14890199 and 14890208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14890247) 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, 4537 + ... + 7096.

It is an arithmetic number, because the mean of its divisors is an integer number (990829).

Almost surely, 2^14890240 is an apocalyptic number.

14890240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14890240 is an abundant number, since it is smaller than the sum of its proper divisors (20779604).

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

14890240 is an equidigital number, since it uses as much as digits as its factorization.

14890240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654 (or 11640 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 14890240 is about 3858.7873742926. The cubic root of 14890240 is about 246.0181976976.

The spelling of 14890240 in words is "fourteen million, eight hundred ninety thousand, two hundred forty".