404004206 has 16 divisors (see below), whose sum is σ = 609903888. Its totient is φ = 200707200.

The previous prime is 404004199. The next prime is 404004217. The reversal of 404004206 is 602400404.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 332456 + ... + 333668.

It is an arithmetic number, because the mean of its divisors is an integer number (38118993).

Almost surely, 2^404004206 is an apocalyptic number.

404004206 is a deficient number, since it is larger than the sum of its proper divisors (205899682).

404004206 is a wasteful number, since it uses less digits than its factorization.

404004206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2147.

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 404004206 is about 20099.8558701300. The cubic root of 404004206 is about 739.2567445941.

The spelling of 404004206 in words is "four hundred four million, four thousand, two hundred six".