14490820 has 24 divisors (see below), whose sum is σ = 30520728. Its totient is φ = 5779200.

The previous prime is 14490811. The next prime is 14490823. The reversal of 14490820 is 2809441.

14490820 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 4 ways, for example, as 111556 + 14379264 = 334^2 + 3792^2 .

It is not an unprimeable number, because it can be changed into a prime (14490823) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7560 + ... + 9280.

It is an arithmetic number, because the mean of its divisors is an integer number (1271697).

Almost surely, 2^14490820 is an apocalyptic number.

14490820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14490820 is an abundant number, since it is smaller than the sum of its proper divisors (16029908).

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

14490820 is a wasteful number, since it uses less digits than its factorization.

14490820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2151 (or 2149 counting only the distinct ones).

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

The square root of 14490820 is about 3806.6809690333. The cubic root of 14490820 is about 243.7984764422.

The spelling of 14490820 in words is "fourteen million, four hundred ninety thousand, eight hundred twenty".