406612004 has 6 divisors (see below), whose sum is σ = 711571014. Its totient is φ = 203306000.

The previous prime is 406611979. The next prime is 406612021. The reversal of 406612004 is 400216604.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 399600100 + 7011904 = 19990^2 + 2648^2 .

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 as a sum of consecutive naturals, namely, 50826497 + ... + 50826504.

It is an arithmetic number, because the mean of its divisors is an integer number (118595169).

Almost surely, 2^406612004 is an apocalyptic number.

It is an amenable number.

406612004 is a deficient number, since it is larger than the sum of its proper divisors (304959010).

406612004 is a wasteful number, since it uses less digits than its factorization.

406612004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101653005 (or 101653003 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 406612004 is about 20164.6225851118. The cubic root of 406612004 is about 740.8439385459.

Adding to 406612004 its reverse (400216604), we get a palindrome (806828608).

The spelling of 406612004 in words is "four hundred six million, six hundred twelve thousand, four".