805606449 has 8 divisors (see below), whose sum is σ = 1075440960. Its totient is φ = 536421456.

The previous prime is 805606433. The next prime is 805606463. The reversal of 805606449 is 944606508.

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

It is not a de Polignac number, because 805606449 - 2⁴ = 805606433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805606449.

It is not an unprimeable number, because it can be changed into a prime (805606409) 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, 159477 + ... + 164450.

It is an arithmetic number, because the mean of its divisors is an integer number (134430120).

Almost surely, 2^805606449 is an apocalyptic number.

It is an amenable number.

805606449 is a deficient number, since it is larger than the sum of its proper divisors (269834511).

805606449 is a wasteful number, since it uses less digits than its factorization.

805606449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324759.

The product of its (nonzero) digits is 207360, while the sum is 42.

The square root of 805606449 is about 28383.2071655055. The cubic root of 805606449 is about 930.4812897881.

The spelling of 805606449 in words is "eight hundred five million, six hundred six thousand, four hundred forty-nine".