803105838 has 12 divisors (see below), whose sum is σ = 1740062688. Its totient is φ = 267701940.

The previous prime is 803105837. The next prime is 803105861. The reversal of 803105838 is 838501308.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (803105837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22308478 + ... + 22308513.

It is an arithmetic number, because the mean of its divisors is an integer number (145005224).

Almost surely, 2^803105838 is an apocalyptic number.

803105838 is an abundant number, since it is smaller than the sum of its proper divisors (936956850).

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

803105838 is a wasteful number, since it uses less digits than its factorization.

803105838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44616999 (or 44616996 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 803105838 is about 28339.1220400350. The cubic root of 803105838 is about 929.5175506684.

The spelling of 803105838 in words is "eight hundred three million, one hundred five thousand, eight hundred thirty-eight".