806618736 has 400 divisors, whose sum is σ = 2981594880. Its totient is φ = 204456960.

The previous prime is 806618719. The next prime is 806618741. The reversal of 806618736 is 637816608.

It is a junction number, because it is equal to n+sod(n) for n = 806618691 and 806618700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 5887660 + ... + 5887796.

Almost surely, 2^806618736 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 806618736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1490797440).

806618736 is an abundant number, since it is smaller than the sum of its proper divisors (2174976144).

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

806618736 is a wasteful number, since it uses less digits than its factorization.

806618736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 219 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 806618736 is about 28401.0340656815. The cubic root of 806618736 is about 930.8708596036.

The spelling of 806618736 in words is "eight hundred six million, six hundred eighteen thousand, seven hundred thirty-six".