3205604090 has 32 divisors (see below), whose sum is σ = 6259332240. Its totient is φ = 1174961664.

The previous prime is 3205604089. The next prime is 3205604153. The reversal of 3205604090 is 904065023.

It can be written as a sum of positive squares in 8 ways, for example, as 879181801 + 2326422289 = 29651^2 + 48233^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72185 + ... + 107804.

Almost surely, 2^3205604090 is an apocalyptic number.

3205604090 is a deficient number, since it is larger than the sum of its proper divisors (3053728150).

3205604090 is a wasteful number, since it uses less digits than its factorization.

3205604090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180146.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 3205604090 is about 56618.0544526214. The cubic root of 3205604090 is about 1474.4723329439.

The spelling of 3205604090 in words is "three billion, two hundred five million, six hundred four thousand, ninety".