804203538 has 16 divisors (see below), whose sum is σ = 1693060320. Its totient is φ = 253958976.

The previous prime is 804203537. The next prime is 804203567. The reversal of 804203538 is 835302408.

It is a junction number, because it is equal to n+sod(n) for n = 804203499 and 804203508.

It is not an unprimeable number, because it can be changed into a prime (804203537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3527095 + ... + 3527322.

It is an arithmetic number, because the mean of its divisors is an integer number (105816270).

Almost surely, 2^804203538 is an apocalyptic number.

804203538 is an abundant number, since it is smaller than the sum of its proper divisors (888856782).

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

804203538 is a wasteful number, since it uses less digits than its factorization.

804203538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7054441.

The product of its (nonzero) digits is 23040, while the sum is 33.

The square root of 804203538 is about 28358.4826462912. The cubic root of 804203538 is about 929.9408518285.

The spelling of 804203538 in words is "eight hundred four million, two hundred three thousand, five hundred thirty-eight".