806213648 has 20 divisors (see below), whose sum is σ = 1571627088. Its totient is φ = 400632480.

The previous prime is 806213633. The next prime is 806213663. The reversal of 806213648 is 846312608.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (806213633) and next prime (806213663).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151958 + ... + 157173.

Almost surely, 2^806213648 is an apocalyptic number.

It is an amenable number.

806213648 is a deficient number, since it is larger than the sum of its proper divisors (765413440).

806213648 is a wasteful number, since it uses less digits than its factorization.

806213648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309302 (or 309296 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 806213648 is about 28393.9015987588. The cubic root of 806213648 is about 930.7150041624.

The spelling of 806213648 in words is "eight hundred six million, two hundred thirteen thousand, six hundred forty-eight".