14169820 has 72 divisors (see below), whose sum is σ = 36484560. Its totient is φ = 4596480.

The previous prime is 14169809. The next prime is 14169847. The reversal of 14169820 is 2896141.

It is a happy number.

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 23 ways as a sum of consecutive naturals, for example, 18240 + ... + 19000.

It is an arithmetic number, because the mean of its divisors is an integer number (506730).

Almost surely, 2^14169820 is an apocalyptic number.

14169820 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 14169820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18242280).

14169820 is an abundant number, since it is smaller than the sum of its proper divisors (22314740).

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

14169820 is a wasteful number, since it uses less digits than its factorization.

14169820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 803 (or 794 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 14169820 is about 3764.2821360785. The cubic root of 14169820 is about 241.9848133812.

It can be divided in two parts, 1416 and 9820, that added together give a square (11236 = 106²).

The spelling of 14169820 in words is "fourteen million, one hundred sixty-nine thousand, eight hundred twenty".