404349403 has 8 divisors (see below), whose sum is σ = 428736672. Its totient is φ = 380029056.

The previous prime is 404349401. The next prime is 404349457. The reversal of 404349403 is 304943404.

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

It is a cyclic number.

It is not a de Polignac number, because 404349403 - 2¹ = 404349401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (404349401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4000 + ... + 28717.

It is an arithmetic number, because the mean of its divisors is an integer number (53592084).

Almost surely, 2^404349403 is an apocalyptic number.

404349403 is a deficient number, since it is larger than the sum of its proper divisors (24387269).

404349403 is a wasteful number, since it uses less digits than its factorization.

404349403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33461.

The product of its (nonzero) digits is 20736, while the sum is 31.

The square root of 404349403 is about 20108.4410882594. The cubic root of 404349403 is about 739.4672346170.

The spelling of 404349403 in words is "four hundred four million, three hundred forty-nine thousand, four hundred three".