404912342 has 8 divisors (see below), whose sum is σ = 609285456. Its totient is φ = 201817192.

The previous prime is 404912329. The next prime is 404912357. The reversal of 404912342 is 243219404.

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 (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 318698 + ... + 319965.

It is an arithmetic number, because the mean of its divisors is an integer number (76160682).

Almost surely, 2^404912342 is an apocalyptic number.

404912342 is a deficient number, since it is larger than the sum of its proper divisors (204373114).

404912342 is a wasteful number, since it uses less digits than its factorization.

404912342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 638982.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 404912342 is about 20122.4337991208. The cubic root of 404912342 is about 739.8102398753.

The spelling of 404912342 in words is "four hundred four million, nine hundred twelve thousand, three hundred forty-two".