806517044 has 6 divisors (see below), whose sum is σ = 1411404834. Its totient is φ = 403258520.

The previous prime is 806517037. The next prime is 806517053. The reversal of 806517044 is 440715608.

It can be written as a sum of positive squares in only one way, i.e., 600250000 + 206267044 = 24500^2 + 14362^2 .

It is a junction number, because it is equal to n+sod(n) for n = 806516995 and 806517013.

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, 100814627 + ... + 100814634.

It is an arithmetic number, because the mean of its divisors is an integer number (235234139).

Almost surely, 2^806517044 is an apocalyptic number.

It is an amenable number.

806517044 is a deficient number, since it is larger than the sum of its proper divisors (604887790).

806517044 is a wasteful number, since it uses less digits than its factorization.

806517044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201629265 (or 201629263 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 806517044 is about 28399.2437223247. The cubic root of 806517044 is about 930.8317390569.

The spelling of 806517044 in words is "eight hundred six million, five hundred seventeen thousand, forty-four".