804984645 has 16 divisors (see below), whose sum is σ = 1300730112. Its totient is φ = 425073600.

The previous prime is 804984599. The next prime is 804984683. The reversal of 804984645 is 546489408.

It is not a de Polignac number, because 804984645 - 2⁷ = 804984517 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 804984594 and 804984603.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 264157 + ... + 267186.

It is an arithmetic number, because the mean of its divisors is an integer number (81295632).

Almost surely, 2^804984645 is an apocalyptic number.

It is an amenable number.

804984645 is a deficient number, since it is larger than the sum of its proper divisors (495745467).

804984645 is a wasteful number, since it uses less digits than its factorization.

804984645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 531452.

The product of its (nonzero) digits is 1105920, while the sum is 48.

The square root of 804984645 is about 28372.2513206125. The cubic root of 804984645 is about 930.2418321266.

The spelling of 804984645 in words is "eight hundred four million, nine hundred eighty-four thousand, six hundred forty-five".