404669901 has 8 divisors (see below), whose sum is σ = 541318624. Its totient is φ = 268900560.

The previous prime is 404669897. The next prime is 404669927. The reversal of 404669901 is 109966404.

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

It is not a de Polignac number, because 404669901 - 2² = 404669897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 404669901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404669971) 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, 218770 + ... + 220611.

It is an arithmetic number, because the mean of its divisors is an integer number (67664828).

Almost surely, 2^404669901 is an apocalyptic number.

It is an amenable number.

404669901 is a deficient number, since it is larger than the sum of its proper divisors (136648723).

404669901 is a wasteful number, since it uses less digits than its factorization.

404669901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439691.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 404669901 is about 20116.4087500727. The cubic root of 404669901 is about 739.6625567638.

The spelling of 404669901 in words is "four hundred four million, six hundred sixty-nine thousand, nine hundred one".