810900038 has 8 divisors (see below), whose sum is σ = 1309915488. Its totient is φ = 374261544.

The previous prime is 810900037. The next prime is 810900043. The reversal of 810900038 is 830009018.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (810900037) 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, 15594206 + ... + 15594257.

It is an arithmetic number, because the mean of its divisors is an integer number (163739436).

Almost surely, 2^810900038 is an apocalyptic number.

810900038 is a deficient number, since it is larger than the sum of its proper divisors (499015450).

810900038 is a wasteful number, since it uses less digits than its factorization.

810900038 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31188478.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 810900038 is about 28476.3066074237. The cubic root of 810900038 is about 932.5148866179.

The spelling of 810900038 in words is "eight hundred ten million, nine hundred thousand, thirty-eight".