806637216 has 384 divisors, whose sum is σ = 2874009600. Its totient is φ = 195686400.

The previous prime is 806637197. The next prime is 806637217. The reversal of 806637216 is 612736608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806637217) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6157471 + ... + 6157601.

It is an arithmetic number, because the mean of its divisors is an integer number (7484400).

Almost surely, 2^806637216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806637216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1437004800).

806637216 is an abundant number, since it is smaller than the sum of its proper divisors (2067372384).

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

806637216 is a wasteful number, since it uses less digits than its factorization.

806637216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193 (or 171 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 806637216 is about 28401.3594040849. The cubic root of 806637216 is about 930.8779684401.

The spelling of 806637216 in words is "eight hundred six million, six hundred thirty-seven thousand, two hundred sixteen".