808138 has 8 divisors (see below), whose sum is σ = 1224288. Its totient is φ = 400044.

The previous prime is 808111. The next prime is 808147. The reversal of 808138 is 831808.

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

It is a super-3 number, since 3×808138³ = 1583353331583852216, which contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1756 + ... + 2167.

It is an arithmetic number, because the mean of its divisors is an integer number (153036).

2⁸⁰⁸¹³⁸ is an apocalyptic number.

808138 is a deficient number, since it is larger than the sum of its proper divisors (416150).

808138 is a wasteful number, since it uses less digits than its factorization.

808138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4028.

The product of its (nonzero) digits is 1536, while the sum is 28.

The square root of 808138 is about 898.9649603850. The cubic root of 808138 is about 93.1454923898.

It can be divided in two parts, 808 and 138, that added together give a triangular number (946 = T₄₃).

The spelling of 808138 in words is "eight hundred eight thousand, one hundred thirty-eight".