2105855238 has 8 divisors (see below), whose sum is σ = 4211710488. Its totient is φ = 701951744.

The previous prime is 2105855233. The next prime is 2105855239. The reversal of 2105855238 is 8325585012.

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

2105855238 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 2105855196 and 2105855205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2105855233) 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, 175487931 + ... + 175487942.

It is an arithmetic number, because the mean of its divisors is an integer number (526463811).

Almost surely, 2^2105855238 is an apocalyptic number.

2105855238 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2105855238 is a wasteful number, since it uses less digits than its factorization.

2105855238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350975878.

The product of its (nonzero) digits is 96000, while the sum is 39.

The square root of 2105855238 is about 45889.5983638994. The cubic root of 2105855238 is about 1281.7682344814.

The spelling of 2105855238 in words is "two billion, one hundred five million, eight hundred fifty-five thousand, two hundred thirty-eight".