804323505 has 16 divisors (see below), whose sum is σ = 1288667520. Its totient is φ = 428389248.

The previous prime is 804323503. The next prime is 804323519. The reversal of 804323505 is 505323408.

It is not a de Polignac number, because 804323505 - 2¹ = 804323503 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (804323503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24940 + ... + 47229.

It is an arithmetic number, because the mean of its divisors is an integer number (80541720).

Almost surely, 2^804323505 is an apocalyptic number.

It is an amenable number.

804323505 is a deficient number, since it is larger than the sum of its proper divisors (484344015).

804323505 is a wasteful number, since it uses less digits than its factorization.

804323505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72920.

The product of its (nonzero) digits is 14400, while the sum is 30.

The square root of 804323505 is about 28360.5977546313. The cubic root of 804323505 is about 929.9870908140.

The spelling of 804323505 in words is "eight hundred four million, three hundred twenty-three thousand, five hundred five".