404416346 has 8 divisors (see below), whose sum is σ = 606979764. Its totient is φ = 202089760.

The previous prime is 404416307. The next prime is 404416361. The reversal of 404416346 is 643614404.

It can be written as a sum of positive squares in 2 ways, for example, as 367680625 + 36735721 = 19175^2 + 6061^2 .

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

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54875 + ... + 61806.

Almost surely, 2^404416346 is an apocalyptic number.

404416346 is a deficient number, since it is larger than the sum of its proper divisors (202563418).

404416346 is a wasteful number, since it uses less digits than its factorization.

404416346 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118416.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 404416346 is about 20110.1055690914. The cubic root of 404416346 is about 739.5080404342.

The spelling of 404416346 in words is "four hundred four million, four hundred sixteen thousand, three hundred forty-six".