2001786338 has 8 divisors (see below), whose sum is σ = 3053572560. Its totient is φ = 983928820.

The previous prime is 2001786331. The next prime is 2001786341. The reversal of 2001786338 is 8336871002.

It is a happy number.

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 (2001786331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8482028 + ... + 8482263.

It is an arithmetic number, because the mean of its divisors is an integer number (381696570).

Almost surely, 2^2001786338 is an apocalyptic number.

2001786338 is a deficient number, since it is larger than the sum of its proper divisors (1051786222).

2001786338 is a wasteful number, since it uses less digits than its factorization.

2001786338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16964352.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2001786338 is about 44741.3269584173. The cubic root of 2001786338 is about 1260.2960457469.

The spelling of 2001786338 in words is "two billion, one million, seven hundred eighty-six thousand, three hundred thirty-eight".