3845540 has 24 divisors (see below), whose sum is σ = 8249472. Its totient is φ = 1505120.

The previous prime is 3845539. The next prime is 3845549. The reversal of 3845540 is 455483.

It is not an unprimeable number, because it can be changed into a prime (3845549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1106 + ... + 2985.

It is an arithmetic number, because the mean of its divisors is an integer number (343728).

Almost surely, 2^3845540 is an apocalyptic number.

It is an amenable number.

3845540 is an abundant number, since it is smaller than the sum of its proper divisors (4403932).

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

3845540 is a wasteful number, since it uses less digits than its factorization.

3845540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4147 (or 4145 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 3845540 is about 1961.0048444611. The cubic root of 3845540 is about 156.6699762894.

The spelling of 3845540 in words is "three million, eight hundred forty-five thousand, five hundred forty".