804684491 has 8 divisors (see below), whose sum is σ = 887720064. Its totient is φ = 724668480.

The previous prime is 804684479. The next prime is 804684493. The reversal of 804684491 is 194486408.

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

It is a cyclic number.

It is not a de Polignac number, because 804684491 - 2⁶ = 804684427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804684493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 754331 + ... + 755396.

It is an arithmetic number, because the mean of its divisors is an integer number (110965008).

Almost surely, 2^804684491 is an apocalyptic number.

804684491 is a deficient number, since it is larger than the sum of its proper divisors (83035573).

804684491 is a wasteful number, since it uses less digits than its factorization.

804684491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1509781.

The product of its (nonzero) digits is 221184, while the sum is 44.

The square root of 804684491 is about 28366.9612577731. The cubic root of 804684491 is about 930.1261982366.

The spelling of 804684491 in words is "eight hundred four million, six hundred eighty-four thousand, four hundred ninety-one".