808195398 has 8 divisors (see below), whose sum is σ = 1616390808. Its totient is φ = 269398464.

The previous prime is 808195391. The next prime is 808195411. The reversal of 808195398 is 893591808.

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

808195398 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 808195398.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808195391) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 67349611 + ... + 67349622.

It is an arithmetic number, because the mean of its divisors is an integer number (202048851).

Almost surely, 2^808195398 is an apocalyptic number.

808195398 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

808195398 is a wasteful number, since it uses less digits than its factorization.

808195398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134699238.

The product of its (nonzero) digits is 622080, while the sum is 51.

The square root of 808195398 is about 28428.7776381609. Note that the first 3 decimals coincide. The cubic root of 808195398 is about 931.4769755708.

The spelling of 808195398 in words is "eight hundred eight million, one hundred ninety-five thousand, three hundred ninety-eight".