4033540 has 48 divisors (see below), whose sum is σ = 9902592. Its totient is φ = 1351296.

The previous prime is 4033537. The next prime is 4033559. The reversal of 4033540 is 453304.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6274 + ... + 6886.

It is an arithmetic number, because the mean of its divisors is an integer number (206304).

Almost surely, 2^4033540 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 4033540, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4951296).

4033540 is an abundant number, since it is smaller than the sum of its proper divisors (5869052).

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

4033540 is a wasteful number, since it uses less digits than its factorization.

4033540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 676 (or 674 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 4033540 is about 2008.3674962516. The cubic root of 4033540 is about 159.1825494538.

Adding to 4033540 its reverse (453304), we get a palindrome (4486844).

The spelling of 4033540 in words is "four million, thirty-three thousand, five hundred forty".