804819693 has 8 divisors (see below), whose sum is σ = 1076278528. Its totient is φ = 534953664.

The previous prime is 804819683. The next prime is 804819721. The reversal of 804819693 is 396918408.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 804819693 - 2⁸ = 804819437 is a prime.

It is a super-2 number, since 2×804819693² = 1295469476481228498, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804819643) 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 7 ways as a sum of consecutive naturals, for example, 397021 + ... + 399042.

It is an arithmetic number, because the mean of its divisors is an integer number (134534816).

Almost surely, 2^804819693 is an apocalyptic number.

It is an amenable number.

804819693 is a deficient number, since it is larger than the sum of its proper divisors (271458835).

804819693 is a wasteful number, since it uses less digits than its factorization.

804819693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796403.

The product of its (nonzero) digits is 373248, while the sum is 48.

The square root of 804819693 is about 28369.3442469155. The cubic root of 804819693 is about 930.1782881680.

The spelling of 804819693 in words is "eight hundred four million, eight hundred nineteen thousand, six hundred ninety-three".