808838242 has 16 divisors (see below), whose sum is σ = 1244195064. Its totient is φ = 394128000.

The previous prime is 808838231. The next prime is 808838243. The reversal of 808838242 is 242838808.

It can be written as a sum of positive squares in 4 ways, for example, as 222278281 + 586559961 = 14909^2 + 24219^2 .

It is not an unprimeable number, because it can be changed into a prime (808838243) 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 7 ways as a sum of consecutive naturals, for example, 78892 + ... + 88552.

Almost surely, 2^808838242 is an apocalyptic number.

808838242 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

808838242 is a deficient number, since it is larger than the sum of its proper divisors (435356822).

808838242 is a wasteful number, since it uses less digits than its factorization.

808838242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10725.

The product of its (nonzero) digits is 196608, while the sum is 43.

The square root of 808838242 is about 28440.0816102908. The cubic root of 808838242 is about 931.7238777823.

The spelling of 808838242 in words is "eight hundred eight million, eight hundred thirty-eight thousand, two hundred forty-two".