804897 has 20 divisors (see below), whose sum is σ = 1268080. Its totient is φ = 507384.

The previous prime is 804893. The next prime is 804901. The reversal of 804897 is 798408.

It is an interprime number because it is at equal distance from previous prime (804893) and next prime (804901).

It is not a de Polignac number, because 804897 - 2² = 804893 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (804893) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1278 + ... + 1800.

It is an arithmetic number, because the mean of its divisors is an integer number (63404).

2⁸⁰⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

804897 is a deficient number, since it is larger than the sum of its proper divisors (463183).

804897 is a wasteful number, since it uses less digits than its factorization.

804897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554 (or 545 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 36.

The square root of 804897 is about 897.1605207542. The cubic root of 804897 is about 93.0208069990.

The spelling of 804897 in words is "eight hundred four thousand, eight hundred ninety-seven".