404386423 has 8 divisors (see below), whose sum is σ = 462414240. Its totient is φ = 346423200.

The previous prime is 404386421. The next prime is 404386427. The reversal of 404386423 is 324683404.

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 404386423 - 2¹ = 404386421 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 (404386421) 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, 1888 + ... + 28501.

It is an arithmetic number, because the mean of its divisors is an integer number (57801780).

Almost surely, 2^404386423 is an apocalyptic number.

404386423 is a deficient number, since it is larger than the sum of its proper divisors (58027817).

404386423 is a wasteful number, since it uses less digits than its factorization.

404386423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32297.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 404386423 is about 20109.3615761416. The cubic root of 404386423 is about 739.4898011081.

The spelling of 404386423 in words is "four hundred four million, three hundred eighty-six thousand, four hundred twenty-three".