808743942 has 24 divisors (see below), whose sum is σ = 1795018680. Its totient is φ = 263005920.

The previous prime is 808743913. The next prime is 808743953. The reversal of 808743942 is 249347808.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 547192 + ... + 548667.

It is an arithmetic number, because the mean of its divisors is an integer number (74792445).

Almost surely, 2^808743942 is an apocalyptic number.

808743942 is a gapful number since it is divisible by the number (82) formed by its first and last digit.

808743942 is an abundant number, since it is smaller than the sum of its proper divisors (986274738).

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

808743942 is a wasteful number, since it uses less digits than its factorization.

808743942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1095908 (or 1095905 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 808743942 is about 28438.4236904931. The cubic root of 808743942 is about 931.6876674204.

The spelling of 808743942 in words is "eight hundred eight million, seven hundred forty-three thousand, nine hundred forty-two".