3205090 has 48 divisors (see below), whose sum is σ = 6960384. Its totient is φ = 1058400.

The previous prime is 3205087. The next prime is 3205141. The reversal of 3205090 is 905023.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15085 + ... + 15295.

It is an arithmetic number, because the mean of its divisors is an integer number (145008).

Almost surely, 2^3205090 is an apocalyptic number.

3205090 is an abundant number, since it is smaller than the sum of its proper divisors (3755294).

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

3205090 is a wasteful number, since it uses less digits than its factorization.

3205090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263 (or 256 counting only the distinct ones).

The product of its (nonzero) digits is 270, while the sum is 19.

The square root of 3205090 is about 1790.2765149552. The cubic root of 3205090 is about 147.4393507239.

The spelling of 3205090 in words is "three million, two hundred five thousand, ninety".