4091560 has 64 divisors (see below), whose sum is σ = 10653120. Its totient is φ = 1397760.

The previous prime is 4091537. The next prime is 4091561. The reversal of 4091560 is 651904.

It is not an unprimeable number, because it can be changed into a prime (4091561) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7207 + ... + 7753.

It is an arithmetic number, because the mean of its divisors is an integer number (166455).

Almost surely, 2^4091560 is an apocalyptic number.

4091560 is a gapful number since it is divisible by the number (40) 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 4091560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5326560).

4091560 is an abundant number, since it is smaller than the sum of its proper divisors (6561560).

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

4091560 is a wasteful number, since it uses less digits than its factorization.

4091560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 586 (or 582 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 4091560 is about 2022.7604900235. The cubic root of 4091560 is about 159.9421665981.

The spelling of 4091560 in words is "four million, ninety-one thousand, five hundred sixty".