2090404206 has 64 divisors (see below), whose sum is σ = 5334393600. Its totient is φ = 600112800.

The previous prime is 2090404139. The next prime is 2090404231. The reversal of 2090404206 is 6024040902.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2090404206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81325 + ... + 103896.

It is an arithmetic number, because the mean of its divisors is an integer number (83349900).

Almost surely, 2^2090404206 is an apocalyptic number.

2090404206 is an abundant number, since it is smaller than the sum of its proper divisors (3243989394).

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

2090404206 is a wasteful number, since it uses less digits than its factorization.

2090404206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185262 (or 185256 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 2090404206 is about 45720.9383761970. The cubic root of 2090404206 is about 1278.6256827400.

The spelling of 2090404206 in words is "two billion, ninety million, four hundred four thousand, two hundred six".