406545604 has 12 divisors (see below), whose sum is σ = 718499628. Its totient is φ = 201260000.

The previous prime is 406545583. The next prime is 406545617.

406545604 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 351637504 + 54908100 = 18752^2 + 7410^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 406545604.

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, 502747 + ... + 503554.

It is an arithmetic number, because the mean of its divisors is an integer number (59874969).

Almost surely, 2^406545604 is an apocalyptic number.

It is an amenable number.

406545604 is a deficient number, since it is larger than the sum of its proper divisors (311954024).

406545604 is a wasteful number, since it uses less digits than its factorization.

406545604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1006406 (or 1006404 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

The square root of 406545604 is about 20162.9760700151. The cubic root of 406545604 is about 740.8036095878.

The spelling of 406545604 in words is "four hundred six million, five hundred forty-five thousand, six hundred four".