14439380 has 24 divisors (see below), whose sum is σ = 31064040. Its totient is φ = 5634560.

The previous prime is 14439353. The next prime is 14439401. The reversal of 14439380 is 8393441.

It can be written as a sum of positive squares in 4 ways, for example, as 391876 + 14047504 = 626^2 + 3748^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 7985 + ... + 9624.

It is an arithmetic number, because the mean of its divisors is an integer number (1294335).

Almost surely, 2^14439380 is an apocalyptic number.

14439380 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14439380 is an abundant number, since it is smaller than the sum of its proper divisors (16624660).

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

14439380 is a wasteful number, since it uses less digits than its factorization.

14439380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17659 (or 17657 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 14439380 is about 3799.9184201769. The cubic root of 14439380 is about 243.5096530712.

The spelling of 14439380 in words is "fourteen million, four hundred thirty-nine thousand, three hundred eighty".