2008690146 has 48 divisors (see below), whose sum is σ = 4593607200. Its totient is φ = 632608704.

The previous prime is 2008690111. The next prime is 2008690157. The reversal of 2008690146 is 6410968002.

It is a super-2 number, since 2×2008690146² = 8069672205275002632, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2008690146.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 121870 + ... + 137366.

It is an arithmetic number, because the mean of its divisors is an integer number (95700150).

Almost surely, 2^2008690146 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2008690146, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2296803600).

2008690146 is an abundant number, since it is smaller than the sum of its proper divisors (2584917054).

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

2008690146 is a wasteful number, since it uses less digits than its factorization.

2008690146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15903 (or 15900 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 2008690146 is about 44818.4130241132. The cubic root of 2008690146 is about 1261.7432295817.

The spelling of 2008690146 in words is "two billion, eight million, six hundred ninety thousand, one hundred forty-six".