3605841 has 12 divisors (see below), whose sum is σ = 5225220. Its totient is φ = 2396160.

The previous prime is 3605837. The next prime is 3605843. The reversal of 3605841 is 1485063.

It can be written as a sum of positive squares in 2 ways, for example, as 1218816 + 2387025 = 1104^2 + 1545^2 .

It is not a de Polignac number, because 3605841 - 2² = 3605837 is a prime.

3605841 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (3605843) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4305 + ... + 5073.

It is an arithmetic number, because the mean of its divisors is an integer number (435435).

Almost surely, 2^3605841 is an apocalyptic number.

It is an amenable number.

3605841 is a deficient number, since it is larger than the sum of its proper divisors (1619379).

3605841 is a wasteful number, since it uses less digits than its factorization.

3605841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1296 (or 1293 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 27.

The square root of 3605841 is about 1898.9052109044. The cubic root of 3605841 is about 153.3447308268.

The spelling of 3605841 in words is "three million, six hundred five thousand, eight hundred forty-one".