404423334 has 64 divisors (see below), whose sum is σ = 1060270080. Its totient is φ = 111818880.

The previous prime is 404423333. The next prime is 404423363. The reversal of 404423334 is 433324404.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a junction number, because it is equal to n+sod(n) for n = 404423298 and 404423307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (404423333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5539 + ... + 28974.

It is an arithmetic number, because the mean of its divisors is an integer number (16566720).

Almost surely, 2^404423334 is an apocalyptic number.

404423334 is an abundant number, since it is smaller than the sum of its proper divisors (655846746).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

404423334 is a wasteful number, since it uses less digits than its factorization.

404423334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34562 (or 34556 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 404423334 is about 20110.2793118345. The cubic root of 404423334 is about 739.5122997843.

Adding to 404423334 its reverse (433324404), we get a palindrome (837747738).

The spelling of 404423334 in words is "four hundred four million, four hundred twenty-three thousand, three hundred thirty-four".