804248439 has 8 divisors (see below), whose sum is σ = 1074775680. Its totient is φ = 534943416.

The previous prime is 804248413. The next prime is 804248441. The reversal of 804248439 is 934842408.

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

It is not a de Polignac number, because 804248439 - 2⁸ = 804248183 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 804248439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (804248239) 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, 304017 + ... + 306650.

It is an arithmetic number, because the mean of its divisors is an integer number (134346960).

Almost surely, 2^804248439 is an apocalyptic number.

804248439 is a deficient number, since it is larger than the sum of its proper divisors (270527241).

804248439 is a wasteful number, since it uses less digits than its factorization.

804248439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611109.

The product of its (nonzero) digits is 221184, while the sum is 42.

The square root of 804248439 is about 28359.2743031270. The cubic root of 804248439 is about 929.9581585985.

The spelling of 804248439 in words is "eight hundred four million, two hundred forty-eight thousand, four hundred thirty-nine".