4131380 has 48 divisors (see below), whose sum is σ = 9616320. Its totient is φ = 1478400.

The previous prime is 4131373. The next prime is 4131409. The reversal of 4131380 is 831314.

It is a happy number.

4131380 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19475 + ... + 19685.

It is an arithmetic number, because the mean of its divisors is an integer number (200340).

Almost surely, 2^4131380 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4131380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4808160).

4131380 is an abundant number, since it is smaller than the sum of its proper divisors (5484940).

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

4131380 is a wasteful number, since it uses less digits than its factorization.

4131380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 4131380 is about 2032.5796417361. The cubic root of 4131380 is about 160.4593570158.

Adding to 4131380 its reverse (831314), we get a palindrome (4962694).

The spelling of 4131380 in words is "four million, one hundred thirty-one thousand, three hundred eighty".