14309380 has 48 divisors (see below), whose sum is σ = 31466736. Its totient is φ = 5460480.

The previous prime is 14309353. The next prime is 14309419. The reversal of 14309380 is 8390341.

It can be written as a sum of positive squares in 8 ways, for example, as 2365444 + 11943936 = 1538^2 + 3456^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 44982 + ... + 45298.

It is an arithmetic number, because the mean of its divisors is an integer number (655557).

Almost surely, 2^14309380 is an apocalyptic number.

14309380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14309380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15733368).

14309380 is an abundant number, since it is smaller than the sum of its proper divisors (17157356).

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

14309380 is a wasteful number, since it uses less digits than its factorization.

14309380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 424 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 14309380 is about 3782.7741143240. The cubic root of 14309380 is about 242.7766637272.

The spelling of 14309380 in words is "fourteen million, three hundred nine thousand, three hundred eighty".