14231620 has 48 divisors (see below), whose sum is σ = 32514048. Its totient is φ = 5201280.

The previous prime is 14231617. The next prime is 14231621. The reversal of 14231620 is 2613241.

It is not an unprimeable number, because it can be changed into a prime (14231621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32805 + ... + 33235.

It is an arithmetic number, because the mean of its divisors is an integer number (677376).

Almost surely, 2^14231620 is an apocalyptic number.

14231620 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 14231620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16257024).

14231620 is an abundant number, since it is smaller than the sum of its proper divisors (18282428).

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

14231620 is a wasteful number, since it uses less digits than its factorization.

14231620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580 (or 578 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 14231620 is about 3772.4819416400. The cubic root of 14231620 is about 242.3360992595.

Adding to 14231620 its reverse (2613241), we get a palindrome (16844861).

The spelling of 14231620 in words is "fourteen million, two hundred thirty-one thousand, six hundred twenty".