404109198 has 24 divisors (see below), whose sum is σ = 877008600. Its totient is φ = 134481744.

The previous prime is 404109197. The next prime is 404109221. The reversal of 404109198 is 891901404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404109197) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6993 + ... + 29276.

It is an arithmetic number, because the mean of its divisors is an integer number (36542025).

Almost surely, 2^404109198 is an apocalyptic number.

404109198 is an abundant number, since it is smaller than the sum of its proper divisors (472899402).

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

404109198 is a wasteful number, since it uses less digits than its factorization.

404109198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36896 (or 36893 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 36.

The square root of 404109198 is about 20102.4674604885. The cubic root of 404109198 is about 739.3207780211.

The spelling of 404109198 in words is "four hundred four million, one hundred nine thousand, one hundred ninety-eight".