806787216 has 105 divisors (see below), whose sum is σ = 2352598339. Its totient is φ = 267906528.

The previous prime is 806787161. The next prime is 806787229. The reversal of 806787216 is 612787608.

The square root of 806787216 is 28404.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×806787216² = 1301811223802061312, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 20 ways as a sum of consecutive naturals, for example, 3067501 + ... + 3067763.

Almost surely, 2^806787216 is an apocalyptic number.

806787216 is the 28404-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806787216

806787216 is an abundant number, since it is smaller than the sum of its proper divisors (1545811123).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

806787216 is an frugal number, since it uses more digits than its factorization.

806787216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 268 counting only the distinct ones).

The product of its (nonzero) digits is 225792, while the sum is 45.

The cubic root of 806787216 is about 930.9356660181.

The spelling of 806787216 in words is "eight hundred six million, seven hundred eighty-seven thousand, two hundred sixteen".