3605990 has 16 divisors (see below), whose sum is σ = 6525360. Its totient is φ = 1434720.

The previous prime is 3605969. The next prime is 3605999. The reversal of 3605990 is 995063.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3605999) 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, 1256 + ... + 2964.

It is an arithmetic number, because the mean of its divisors is an integer number (407835).

Almost surely, 2^3605990 is an apocalyptic number.

3605990 is a deficient number, since it is larger than the sum of its proper divisors (2919370).

3605990 is a wasteful number, since it uses less digits than its factorization.

3605990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1927.

The product of its (nonzero) digits is 7290, while the sum is 32.

The square root of 3605990 is about 1898.9444436318. The cubic root of 3605990 is about 153.3468429601.

The spelling of 3605990 in words is "three million, six hundred five thousand, nine hundred ninety".