404003342 has 8 divisors (see below), whose sum is σ = 606405432. Its totient is φ = 201868200.

The previous prime is 404003339. The next prime is 404003357. The reversal of 404003342 is 243300404.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 62909 + ... + 69032.

It is an arithmetic number, because the mean of its divisors is an integer number (75800679).

Almost surely, 2^404003342 is an apocalyptic number.

404003342 is a deficient number, since it is larger than the sum of its proper divisors (202402090).

404003342 is a wasteful number, since it uses less digits than its factorization.

404003342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133474.

The product of its (nonzero) digits is 1152, while the sum is 20.

The square root of 404003342 is about 20099.8343774271. The cubic root of 404003342 is about 739.2562176043.

Adding to 404003342 its reverse (243300404), we get a palindrome (647303746).

The spelling of 404003342 in words is "four hundred four million, three thousand, three hundred forty-two".