804523893 has 16 divisors (see below), whose sum is σ = 1105325760. Its totient is φ = 520131456.

The previous prime is 804523879. The next prime is 804523903. The reversal of 804523893 is 398325408.

It is not a de Polignac number, because 804523893 - 2⁹ = 804523381 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804543893) 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 15 ways as a sum of consecutive naturals, for example, 22273 + ... + 45881.

It is an arithmetic number, because the mean of its divisors is an integer number (69082860).

Almost surely, 2^804523893 is an apocalyptic number.

It is an amenable number.

804523893 is a deficient number, since it is larger than the sum of its proper divisors (300801867).

804523893 is a wasteful number, since it uses less digits than its factorization.

804523893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23956.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 804523893 is about 28364.1303938619. The cubic root of 804523893 is about 930.0643162827.

The spelling of 804523893 in words is "eight hundred four million, five hundred twenty-three thousand, eight hundred ninety-three".