809460445 has 8 divisors (see below), whose sum is σ = 977312736. Its totient is φ = 643594896.

The previous prime is 809460419. The next prime is 809460473. The reversal of 809460445 is 544064908.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-809460445 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 809460398 and 809460407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 495787 + ... + 497416.

It is an arithmetic number, because the mean of its divisors is an integer number (122164092).

Almost surely, 2^809460445 is an apocalyptic number.

It is an amenable number.

809460445 is a deficient number, since it is larger than the sum of its proper divisors (167852291).

809460445 is a wasteful number, since it uses less digits than its factorization.

809460445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 993371.

The product of its (nonzero) digits is 138240, while the sum is 40.

The square root of 809460445 is about 28451.0183473281. The cubic root of 809460445 is about 931.9627276842.

The spelling of 809460445 in words is "eight hundred nine million, four hundred sixty thousand, four hundred forty-five".