806031090 has 96 divisors (see below), whose sum is σ = 2194822656. Its totient is φ = 204842880.

The previous prime is 806031077. The next prime is 806031097. The reversal of 806031090 is 90130608.

It is a super-2 number, since 2×806031090² = 1299372236093176200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (806031097) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 759160 + ... + 760220.

It is an arithmetic number, because the mean of its divisors is an integer number (22862736).

Almost surely, 2^806031090 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 806031090, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097411328).

806031090 is an abundant number, since it is smaller than the sum of its proper divisors (1388791566).

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

806031090 is a wasteful number, since it uses less digits than its factorization.

806031090 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 806031090 is about 28390.6866771482. The cubic root of 806031090 is about 930.6447488827.

Adding to 806031090 its reverse (90130608), we get a palindrome (896161698).

The spelling of 806031090 in words is "eight hundred six million, thirty-one thousand, ninety".