4160340 has 72 divisors (see below), whose sum is σ = 13071240. Its totient is φ = 1069824.

The previous prime is 4160333. The next prime is 4160347. The reversal of 4160340 is 430614.

It is an interprime number because it is at equal distance from previous prime (4160333) and next prime (4160347).

It can be written as a sum of positive squares in 4 ways, for example, as 427716 + 3732624 = 654^2 + 1932^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4160347) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4822 + ... + 5618.

It is an arithmetic number, because the mean of its divisors is an integer number (181545).

Almost surely, 2^4160340 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 4160340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6535620).

4160340 is an abundant number, since it is smaller than the sum of its proper divisors (8910900).

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

4160340 is a wasteful number, since it uses less digits than its factorization.

4160340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 841 (or 836 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 4160340 is about 2039.6911530916. The cubic root of 4160340 is about 160.8334117843.

Adding to 4160340 its reverse (430614), we get a palindrome (4590954).

The spelling of 4160340 in words is "four million, one hundred sixty thousand, three hundred forty".