3841540 has 24 divisors (see below), whose sum is σ = 8110872. Its totient is φ = 1528320.

The previous prime is 3841531. The next prime is 3841559. The reversal of 3841540 is 451483.

It can be written as a sum of positive squares in 4 ways, for example, as 715716 + 3125824 = 846^2 + 1768^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4422 + ... + 5218.

It is an arithmetic number, because the mean of its divisors is an integer number (337953).

Almost surely, 2^3841540 is an apocalyptic number.

It is an amenable number.

3841540 is an abundant number, since it is smaller than the sum of its proper divisors (4269332).

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

3841540 is a wasteful number, since it uses less digits than its factorization.

3841540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1047 (or 1045 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 25.

The square root of 3841540 is about 1959.9846938178. The cubic root of 3841540 is about 156.6156365162.

The spelling of 3841540 in words is "three million, eight hundred forty-one thousand, five hundred forty".