4093540 has 48 divisors (see below), whose sum is σ = 9797760. Its totient is φ = 1422080.

The previous prime is 4093511. The next prime is 4093541. The reversal of 4093540 is 453904.

4093540 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (4093541) 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, 4656 + ... + 5464.

It is an arithmetic number, because the mean of its divisors is an integer number (204120).

Almost surely, 2^4093540 is an apocalyptic number.

4093540 is the 1012-nd decagonal number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4093540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4898880).

4093540 is an abundant number, since it is smaller than the sum of its proper divisors (5704220).

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

4093540 is a wasteful number, since it uses less digits than its factorization.

4093540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852 (or 850 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4093540 is about 2023.2498609910. The cubic root of 4093540 is about 159.9679623354.

The spelling of 4093540 in words is "four million, ninety-three thousand, five hundred forty".