806891928 has 64 divisors (see below), whose sum is σ = 2060523360. Its totient is φ = 263218176.

The previous prime is 806891863. The next prime is 806891941. The reversal of 806891928 is 829198608.

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 860676 + ... + 861612.

Almost surely, 2^806891928 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 806891928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1030261680).

806891928 is an abundant number, since it is smaller than the sum of its proper divisors (1253631432).

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

806891928 is a wasteful number, since it uses less digits than its factorization.

806891928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1676 (or 1672 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 51.

The square root of 806891928 is about 28405.8432017076. The cubic root of 806891928 is about 930.9759393047.

The spelling of 806891928 in words is "eight hundred six million, eight hundred ninety-one thousand, nine hundred twenty-eight".