800538386 has 4 divisors (see below), whose sum is σ = 1200807582. Its totient is φ = 400269192.

The previous prime is 800538379. The next prime is 800538397. The reversal of 800538386 is 683835008.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 798345025 + 2193361 = 28255^2 + 1481^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200134595 + ... + 200134598.

Almost surely, 2^800538386 is an apocalyptic number.

800538386 is a deficient number, since it is larger than the sum of its proper divisors (400269196).

800538386 is a wasteful number, since it uses less digits than its factorization.

800538386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400269195.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 800538386 is about 28293.7870565253. The cubic root of 800538386 is about 928.5259672283.

The spelling of 800538386 in words is "eight hundred million, five hundred thirty-eight thousand, three hundred eighty-six".