4161340 has 12 divisors (see below), whose sum is σ = 8738856. Its totient is φ = 1664528.

The previous prime is 4161331. The next prime is 4161341. The reversal of 4161340 is 431614.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4161341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104014 + ... + 104053.

It is an arithmetic number, because the mean of its divisors is an integer number (728238).

Almost surely, 2^4161340 is an apocalyptic number.

It is an amenable number.

4161340 is an abundant number, since it is smaller than the sum of its proper divisors (4577516).

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

4161340 is a wasteful number, since it uses less digits than its factorization.

4161340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208076 (or 208074 counting only the distinct ones).

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

The square root of 4161340 is about 2039.9362735144. The cubic root of 4161340 is about 160.8462969914.

Adding to 4161340 its reverse (431614), we get a palindrome (4592954).

The spelling of 4161340 in words is "four million, one hundred sixty-one thousand, three hundred forty".