804667 has 8 divisors (see below), whose sum is σ = 842112. Its totient is φ = 768000.

The previous prime is 804653. The next prime is 804689. The reversal of 804667 is 766408.

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 804667 - 2¹⁵ = 771899 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

804667 is a lucky number.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (804607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3003 + ... + 3259.

It is an arithmetic number, because the mean of its divisors is an integer number (105264).

2⁸⁰⁴⁶⁶⁷ is an apocalyptic number.

804667 is a deficient number, since it is larger than the sum of its proper divisors (37445).

804667 is a wasteful number, since it uses less digits than its factorization.

804667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 804667 is about 897.0323294062. The cubic root of 804667 is about 93.0119458968.

The spelling of 804667 in words is "eight hundred four thousand, six hundred sixty-seven".