804969 has 24 divisors (see below), whose sum is σ = 1302912. Its totient is φ = 474720.

The previous prime is 804943. The next prime is 804983. The reversal of 804969 is 969408.

It is not a de Polignac number, because 804969 - 2¹² = 800873 is a prime.

It is a super-2 number, since 2×804969² = 1295950181922, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (804919) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4567 + ... + 4739.

It is an arithmetic number, because the mean of its divisors is an integer number (54288).

2⁸⁰⁴⁹⁶⁹ is an apocalyptic number.

It is an amenable number.

804969 is a deficient number, since it is larger than the sum of its proper divisors (497943).

804969 is a wasteful number, since it uses less digits than its factorization.

804969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237 (or 234 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 804969 is about 897.2006464554. The cubic root of 804969 is about 93.0235805623.

It can be divided in two parts, 8049 and 69, that added together give a palindrome (8118).

The spelling of 804969 in words is "eight hundred four thousand, nine hundred sixty-nine".