805845244 has 6 divisors (see below), whose sum is σ = 1410229184. Its totient is φ = 402922620.

The previous prime is 805845223. The next prime is 805845253. The reversal of 805845244 is 442548508.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 805845197 and 805845206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100730652 + ... + 100730659.

Almost surely, 2^805845244 is an apocalyptic number.

It is an amenable number.

805845244 is a deficient number, since it is larger than the sum of its proper divisors (604383940).

805845244 is a wasteful number, since it uses less digits than its factorization.

805845244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201461315 (or 201461313 counting only the distinct ones).

The product of its (nonzero) digits is 204800, while the sum is 40.

The square root of 805845244 is about 28387.4134785119. The cubic root of 805845244 is about 930.5732173579.

The spelling of 805845244 in words is "eight hundred five million, eight hundred forty-five thousand, two hundred forty-four".