2806284646 has 16 divisors (see below), whose sum is σ = 4636689408. Its totient is φ = 1263198600.

The previous prime is 2806284643. The next prime is 2806284653. The reversal of 2806284646 is 6464826082.

It is a junction number, because it is equal to n+sod(n) for n = 2806284596 and 2806284605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2806284643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 616950 + ... + 621481.

It is an arithmetic number, because the mean of its divisors is an integer number (289793088).

Almost surely, 2^2806284646 is an apocalyptic number.

2806284646 is a deficient number, since it is larger than the sum of its proper divisors (1830404762).

2806284646 is a wasteful number, since it uses less digits than its factorization.

2806284646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238547.

The product of its (nonzero) digits is 884736, while the sum is 46.

The square root of 2806284646 is about 52974.3772591996. The cubic root of 2806284646 is about 1410.5134769527.

The spelling of 2806284646 in words is "two billion, eight hundred six million, two hundred eighty-four thousand, six hundred forty-six".