804670043 has 4 divisors (see below), whose sum is σ = 826417920. Its totient is φ = 782922168.

The previous prime is 804670003. The next prime is 804670049. The reversal of 804670043 is 340076408.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 804670043 - 2⁸ = 804669787 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 804669991 and 804670009.

It is not an unprimeable number, because it can be changed into a prime (804670049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10873883 + ... + 10873956.

It is an arithmetic number, because the mean of its divisors is an integer number (206604480).

Almost surely, 2^804670043 is an apocalyptic number.

804670043 is a deficient number, since it is larger than the sum of its proper divisors (21747877).

804670043 is a wasteful number, since it uses less digits than its factorization.

804670043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21747876.

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 804670043 is about 28366.7065941748. The cubic root of 804670043 is about 930.1206314404.

The spelling of 804670043 in words is "eight hundred four million, six hundred seventy thousand, forty-three".