806885982 has 64 divisors (see below), whose sum is σ = 2055744000. Its totient is φ = 229806720.

The previous prime is 806885971. The next prime is 806885983. The reversal of 806885982 is 289588608.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (806885983) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 121894 + ... + 128342.

It is an arithmetic number, because the mean of its divisors is an integer number (32121000).

Almost surely, 2^806885982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806885982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1027872000).

806885982 is an abundant number, since it is smaller than the sum of its proper divisors (1248858018).

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

806885982 is a wasteful number, since it uses less digits than its factorization.

806885982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6798 (or 6792 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 54.

The square root of 806885982 is about 28405.7385399500. The cubic root of 806885982 is about 930.9736525067.

The spelling of 806885982 in words is "eight hundred six million, eight hundred eighty-five thousand, nine hundred eighty-two".