804198533 has 4 divisors (see below), whose sum is σ = 806224620. Its totient is φ = 802172448.

The previous prime is 804198523. The next prime is 804198547. The reversal of 804198533 is 335891408.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 352763524 + 451435009 = 18782^2 + 21247^2 .

It is a cyclic number.

It is not a de Polignac number, because 804198533 - 2¹⁰ = 804197509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804198523) 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 3 ways as a sum of consecutive naturals, for example, 1012448 + ... + 1013241.

It is an arithmetic number, because the mean of its divisors is an integer number (201556155).

Almost surely, 2^804198533 is an apocalyptic number.

It is an amenable number.

804198533 is a deficient number, since it is larger than the sum of its proper divisors (2026087).

804198533 is a wasteful number, since it uses less digits than its factorization.

804198533 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2026086.

The product of its (nonzero) digits is 103680, while the sum is 41.

The square root of 804198533 is about 28358.3944009530. The cubic root of 804198533 is about 929.9389226470.

The spelling of 804198533 in words is "eight hundred four million, one hundred ninety-eight thousand, five hundred thirty-three".