805980706 has 8 divisors (see below), whose sum is σ = 1238458284. Its totient is φ = 393161280.

The previous prime is 805980683. The next prime is 805980709. The reversal of 805980706 is 607089508.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 527391225 + 278589481 = 22965^2 + 16691^2 .

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

It is not an unprimeable number, because it can be changed into a prime (805980709) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4914435 + ... + 4914598.

Almost surely, 2^805980706 is an apocalyptic number.

805980706 is a deficient number, since it is larger than the sum of its proper divisors (432477578).

805980706 is a wasteful number, since it uses less digits than its factorization.

805980706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9829076.

The product of its (nonzero) digits is 120960, while the sum is 43.

The square root of 805980706 is about 28389.7993300411. The cubic root of 805980706 is about 930.6253573304.

The spelling of 805980706 in words is "eight hundred five million, nine hundred eighty thousand, seven hundred six".