806138608 has 40 divisors (see below), whose sum is σ = 1709377200. Its totient is φ = 365245440.

The previous prime is 806138537. The next prime is 806138609. The reversal of 806138608 is 806831608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806138609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48568 + ... + 63016.

It is an arithmetic number, because the mean of its divisors is an integer number (42734430).

Almost surely, 2^806138608 is an apocalyptic number.

806138608 is a gapful number since it is divisible by the number (88) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806138608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (854688600).

806138608 is an abundant number, since it is smaller than the sum of its proper divisors (903238592).

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

806138608 is a wasteful number, since it uses less digits than its factorization.

806138608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14785 (or 14779 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 806138608 is about 28392.5801574989. The cubic root of 806138608 is about 930.6861271928.

The spelling of 806138608 in words is "eight hundred six million, one hundred thirty-eight thousand, six hundred eight".