804895 has 32 divisors (see below), whose sum is σ = 1249920. Its totient is φ = 483840.

The previous prime is 804893. The next prime is 804901. The reversal of 804895 is 598408.

It is not a de Polignac number, because 804895 - 2¹ = 804893 is a prime.

It is a super-2 number, since 2×804895² = 1295711922050, which contains 22 as substring.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 804895.

It is a congruent 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 31 ways as a sum of consecutive naturals, for example, 13165 + ... + 13225.

It is an arithmetic number, because the mean of its divisors is an integer number (39060).

2⁸⁰⁴⁸⁹⁵ is an apocalyptic number.

804895 is a deficient number, since it is larger than the sum of its proper divisors (445025).

804895 is a wasteful number, since it uses less digits than its factorization.

804895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 804895 is about 897.1594061258. The cubic root of 804895 is about 93.0207299532.

The spelling of 804895 in words is "eight hundred four thousand, eight hundred ninety-five".