14579920 has 40 divisors (see below), whose sum is σ = 34997760. Its totient is φ = 5642880.

The previous prime is 14579911. The next prime is 14579923. The reversal of 14579920 is 2997541.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 14579920.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14579923) by changing a digit.

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, 460 + ... + 5419.

It is an arithmetic number, because the mean of its divisors is an integer number (874944).

Almost surely, 2^14579920 is an apocalyptic number.

14579920 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 14579920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17498880).

14579920 is an abundant number, since it is smaller than the sum of its proper divisors (20417840).

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

14579920 is a wasteful number, since it uses less digits than its factorization.

14579920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923 (or 5917 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 37.

The square root of 14579920 is about 3818.3661427370. The cubic root of 14579920 is about 244.2971386750.

The spelling of 14579920 in words is "fourteen million, five hundred seventy-nine thousand, nine hundred twenty".