14390380 has 48 divisors (see below), whose sum is σ = 32044320. Its totient is φ = 5419008.

The previous prime is 14390359. The next prime is 14390393. The reversal of 14390380 is 8309341.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24652 + ... + 25228.

It is an arithmetic number, because the mean of its divisors is an integer number (667590).

Almost surely, 2^14390380 is an apocalyptic number.

14390380 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 14390380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16022160).

14390380 is an abundant number, since it is smaller than the sum of its proper divisors (17653940).

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

14390380 is a wasteful number, since it uses less digits than its factorization.

14390380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658 (or 656 counting only the distinct ones).

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

The square root of 14390380 is about 3793.4654341380. The cubic root of 14390380 is about 243.2338911030.

The spelling of 14390380 in words is "fourteen million, three hundred ninety thousand, three hundred eighty".