2106404306 has 16 divisors (see below), whose sum is σ = 3265571328. Its totient is φ = 1017964800.

The previous prime is 2106404297. The next prime is 2106404323. The reversal of 2106404306 is 6034046012.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30386 + ... + 71666.

It is an arithmetic number, because the mean of its divisors is an integer number (204098208).

Almost surely, 2^2106404306 is an apocalyptic number.

2106404306 is a deficient number, since it is larger than the sum of its proper divisors (1159167022).

2106404306 is a wasteful number, since it uses less digits than its factorization.

2106404306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42137.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2106404306 is about 45895.5804626110. The cubic root of 2106404306 is about 1281.8796249751.

The spelling of 2106404306 in words is "two billion, one hundred six million, four hundred four thousand, three hundred six".