806144994 has 32 divisors (see below), whose sum is σ = 1833099840. Its totient is φ = 262465056.

The previous prime is 806144953. The next prime is 806145013. The reversal of 806144994 is 499441608.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 171267 + ... + 175910.

It is an arithmetic number, because the mean of its divisors is an integer number (57284370).

Almost surely, 2^806144994 is an apocalyptic number.

806144994 is an abundant number, since it is smaller than the sum of its proper divisors (1026954846).

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

806144994 is a wasteful number, since it uses less digits than its factorization.

806144994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 347231 (or 347225 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 45.

The square root of 806144994 is about 28392.6926162349. The cubic root of 806144994 is about 930.6885847296.

The spelling of 806144994 in words is "eight hundred six million, one hundred forty-four thousand, nine hundred ninety-four".