2008195906 has 8 divisors (see below), whose sum is σ = 3025564560. Its totient is φ = 999674388.

The previous prime is 2008195901. The next prime is 2008195919. The reversal of 2008195906 is 6095918002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (2008195901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2211216 + ... + 2212123.

It is an arithmetic number, because the mean of its divisors is an integer number (378195570).

Almost surely, 2^2008195906 is an apocalyptic number.

2008195906 is a deficient number, since it is larger than the sum of its proper divisors (1017368654).

2008195906 is a wasteful number, since it uses less digits than its factorization.

2008195906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4423568.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 2008195906 is about 44812.8988796753. The cubic root of 2008195906 is about 1261.6397367445.

The spelling of 2008195906 in words is "two billion, eight million, one hundred ninety-five thousand, nine hundred six".