808042 has 4 divisors (see below), whose sum is σ = 1212066. Its totient is φ = 404020.

The previous prime is 808039. The next prime is 808081. The reversal of 808042 is 240808.

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., 793881 + 14161 = 891^2 + 119^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202009 + ... + 202012.

2⁸⁰⁸⁰⁴² is an apocalyptic number.

808042 is a deficient number, since it is larger than the sum of its proper divisors (404024).

808042 is a wasteful number, since it uses less digits than its factorization.

808042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 404023.

The product of its (nonzero) digits is 512, while the sum is 22.

The square root of 808042 is about 898.9115640596. The cubic root of 808042 is about 93.1418039433.

The spelling of 808042 in words is "eight hundred eight thousand, forty-two".