804017345 has 8 divisors (see below), whose sum is σ = 964996200. Its totient is φ = 643096960.

The previous prime is 804017341. The next prime is 804017359. The reversal of 804017345 is 543710408.

It can be written as a sum of positive squares in 4 ways, for example, as 3806401 + 800210944 = 1951^2 + 28288^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 804017345 - 2² = 804017341 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (804017341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25805 + ... + 47685.

It is an arithmetic number, because the mean of its divisors is an integer number (120624525).

Almost surely, 2^804017345 is an apocalyptic number.

It is an amenable number.

804017345 is a deficient number, since it is larger than the sum of its proper divisors (160978855).

804017345 is a wasteful number, since it uses less digits than its factorization.

804017345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29235.

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 804017345 is about 28355.1996113588. The cubic root of 804017345 is about 929.8690781902.

The spelling of 804017345 in words is "eight hundred four million, seventeen thousand, three hundred forty-five".