808194406 has 16 divisors (see below), whose sum is σ = 1228067568. Its totient is φ = 398848000.

The previous prime is 808194389. The next prime is 808194407. The reversal of 808194406 is 604491808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (808194407) 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 7 ways as a sum of consecutive naturals, for example, 264246 + ... + 267286.

It is an arithmetic number, because the mean of its divisors is an integer number (76754223).

Almost surely, 2^808194406 is an apocalyptic number.

808194406 is a deficient number, since it is larger than the sum of its proper divisors (419873162).

808194406 is a wasteful number, since it uses less digits than its factorization.

808194406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4727.

The product of its (nonzero) digits is 55296, while the sum is 40.

The square root of 808194406 is about 28428.7601910460. The cubic root of 808194406 is about 931.4765944643.

The spelling of 808194406 in words is "eight hundred eight million, one hundred ninety-four thousand, four hundred six".