2003983855 has 8 divisors (see below), whose sum is σ = 2463434064. Its totient is φ = 1564084800.

The previous prime is 2003983831. The next prime is 2003983873. The reversal of 2003983855 is 5583893002.

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

It is not a de Polignac number, because 2003983855 - 2⁵ = 2003983823 is a prime.

It is a super-2 number, since 2×2003983855² = 8031902582201322050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 4887561 + ... + 4887970.

It is an arithmetic number, because the mean of its divisors is an integer number (307929258).

Almost surely, 2^2003983855 is an apocalyptic number.

2003983855 is a deficient number, since it is larger than the sum of its proper divisors (459450209).

2003983855 is an equidigital number, since it uses as much as digits as its factorization.

2003983855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9775577.

The product of its (nonzero) digits is 259200, while the sum is 43.

The square root of 2003983855 is about 44765.8782444844. The cubic root of 2003983855 is about 1260.7570521841.

The spelling of 2003983855 in words is "two billion, three million, nine hundred eighty-three thousand, eight hundred fifty-five".