404467679 has 16 divisors (see below), whose sum is σ = 504748800. Its totient is φ = 314871360.

The previous prime is 404467643. The next prime is 404467691. The reversal of 404467679 is 976764404.

It is a cyclic number.

It is not a de Polignac number, because 404467679 - 2²⁸ = 136032223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404467619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115547 + ... + 118995.

It is an arithmetic number, because the mean of its divisors is an integer number (31546800).

Almost surely, 2^404467679 is an apocalyptic number.

404467679 is a deficient number, since it is larger than the sum of its proper divisors (100281121).

404467679 is a wasteful number, since it uses less digits than its factorization.

404467679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4990.

The product of its (nonzero) digits is 1016064, while the sum is 47.

The square root of 404467679 is about 20111.3818272142. The cubic root of 404467679 is about 739.5393279597.

The spelling of 404467679 in words is "four hundred four million, four hundred sixty-seven thousand, six hundred seventy-nine".