2038856856 has 128 divisors (see below), whose sum is σ = 5457715200. Its totient is φ = 633600000.

The previous prime is 2038856849. The next prime is 2038856899. The reversal of 2038856856 is 6586588302.

It is a junction number, because it is equal to n+sod(n) for n = 2038856799 and 2038856808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2714481 + ... + 2715231.

It is an arithmetic number, because the mean of its divisors is an integer number (42638400).

Almost surely, 2^2038856856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2038856856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2728857600).

2038856856 is an abundant number, since it is smaller than the sum of its proper divisors (3418858344).

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

2038856856 is a wasteful number, since it uses less digits than its factorization.

2038856856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 921 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 2038856856 is about 45153.7025724359. The cubic root of 2038856856 is about 1268.0281998061.

The spelling of 2038856856 in words is "two billion, thirty-eight million, eight hundred fifty-six thousand, eight hundred fifty-six".