409804004 has 12 divisors (see below), whose sum is σ = 740291328. Its totient is φ = 198292200.

The previous prime is 409803997. The next prime is 409804007. The reversal of 409804004 is 400408904.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (409804007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1652312 + ... + 1652559.

It is an arithmetic number, because the mean of its divisors is an integer number (61690944).

Almost surely, 2^409804004 is an apocalyptic number.

It is an amenable number.

409804004 is a deficient number, since it is larger than the sum of its proper divisors (330487324).

409804004 is a wasteful number, since it uses less digits than its factorization.

409804004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3304906 (or 3304904 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 409804004 is about 20243.6163765272. The cubic root of 409804004 is about 742.7774875354. Note that the first 3 decimals are identical.

The spelling of 409804004 in words is "four hundred nine million, eight hundred four thousand, four".