2006447306 has 4 divisors (see below), whose sum is σ = 3009670962. Its totient is φ = 1003223652.

The previous prime is 2006447281. The next prime is 2006447309. The reversal of 2006447306 is 6037446002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1606807225 + 399640081 = 40085^2 + 19991^2 .

It is not an unprimeable number, because it can be changed into a prime (2006447309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 501611825 + ... + 501611828.

Almost surely, 2^2006447306 is an apocalyptic number.

2006447306 is a deficient number, since it is larger than the sum of its proper divisors (1003223656).

2006447306 is a wasteful number, since it uses less digits than its factorization.

2006447306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003223655.

The product of its (nonzero) digits is 24192, while the sum is 32.

The square root of 2006447306 is about 44793.3846231785. The cubic root of 2006447306 is about 1261.2734471385.

The spelling of 2006447306 in words is "two billion, six million, four hundred forty-seven thousand, three hundred six".