2108238928 has 20 divisors (see below), whose sum is σ = 4085857908. Its totient is φ = 1053824000.

The previous prime is 2108238919. The next prime is 2108238991. The reversal of 2108238928 is 8298328012.

It can be written as a sum of positive squares in 2 ways, for example, as 95101504 + 2013137424 = 9752^2 + 44868^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47550 + ... + 80482.

Almost surely, 2^2108238928 is an apocalyptic number.

It is an amenable number.

2108238928 is a deficient number, since it is larger than the sum of its proper divisors (1977618980).

2108238928 is a wasteful number, since it uses less digits than its factorization.

2108238928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36942 (or 36936 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 43.

The square root of 2108238928 is about 45915.5630260590. The cubic root of 2108238928 is about 1282.2516779740.

The spelling of 2108238928 in words is "two billion, one hundred eight million, two hundred thirty-eight thousand, nine hundred twenty-eight".