406445334 has 8 divisors (see below), whose sum is σ = 812890680. Its totient is φ = 135481776.

The previous prime is 406445327. The next prime is 406445357. The reversal of 406445334 is 433544604.

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

406445334 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 406445295 and 406445304.

It is a congruent 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, 33870439 + ... + 33870450.

It is an arithmetic number, because the mean of its divisors is an integer number (101611335).

Almost surely, 2^406445334 is an apocalyptic number.

406445334 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

406445334 is a wasteful number, since it uses less digits than its factorization.

406445334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67740894.

The product of its (nonzero) digits is 69120, while the sum is 33.

The square root of 406445334 is about 20160.4894285828. The cubic root of 406445334 is about 740.7427008936.

Adding to 406445334 its reverse (433544604), we get a palindrome (839989938).

The spelling of 406445334 in words is "four hundred six million, four hundred forty-five thousand, three hundred thirty-four".