810427004 has 12 divisors (see below), whose sum is σ = 1419646200. Its totient is φ = 404813808.

The previous prime is 810427003. The next prime is 810427019. The reversal of 810427004 is 400724018.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810427003) 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 3 ways as a sum of consecutive naturals, for example, 95339 + ... + 103490.

It is an arithmetic number, because the mean of its divisors is an integer number (118303850).

Almost surely, 2^810427004 is an apocalyptic number.

It is an amenable number.

810427004 is a deficient number, since it is larger than the sum of its proper divisors (609219196).

810427004 is a wasteful number, since it uses less digits than its factorization.

810427004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199852 (or 199850 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 810427004 is about 28467.9996487284. Note that the first 3 decimals coincide. The cubic root of 810427004 is about 932.3335255676. Note that the first 3 decimals are identical.

The spelling of 810427004 in words is "eight hundred ten million, four hundred twenty-seven thousand, four".