800554836 has 48 divisors (see below), whose sum is σ = 1958068224. Its totient is φ = 254085216.

The previous prime is 800554801. The next prime is 800554861. The reversal of 800554836 is 638455008.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 800554794 and 800554803.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 55045 + ... + 68051.

It is an arithmetic number, because the mean of its divisors is an integer number (40793088).

Almost surely, 2^800554836 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 800554836, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (979034112).

800554836 is an abundant number, since it is smaller than the sum of its proper divisors (1157513388).

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

800554836 is a wasteful number, since it uses less digits than its factorization.

800554836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13260 (or 13258 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 800554836 is about 28294.0777548942. The cubic root of 800554836 is about 928.5323271763.

The spelling of 800554836 in words is "eight hundred million, five hundred fifty-four thousand, eight hundred thirty-six".