404343306 has 16 divisors (see below), whose sum is σ = 898540800. Its totient is φ = 134781084.

The previous prime is 404343281. The next prime is 404343341. The reversal of 404343306 is 603343404.

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

It is a self number, because there is not a number n which added to its sum of digits gives 404343306.

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 7 ways as a sum of consecutive naturals, for example, 3743866 + ... + 3743973.

It is an arithmetic number, because the mean of its divisors is an integer number (56158800).

Almost surely, 2^404343306 is an apocalyptic number.

404343306 is an abundant number, since it is smaller than the sum of its proper divisors (494197494).

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

404343306 is a wasteful number, since it uses less digits than its factorization.

404343306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7487850 (or 7487844 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

The square root of 404343306 is about 20108.2894846877. The cubic root of 404343306 is about 739.4635179020.

The spelling of 404343306 in words is "four hundred four million, three hundred forty-three thousand, three hundred six".