601216004 has 12 divisors (see below), whose sum is σ = 1063950300. Its totient is φ = 297230208.

The previous prime is 601216003. The next prime is 601216009. The reversal of 601216004 is 400612106.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 72216004 + 529000000 = 8498^2 + 23000^2 .

It is a super-2 number, since 2×601216004² = 722921366931456032, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (601216003) by changing a digit.

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, 844049 + ... + 844760.

It is an arithmetic number, because the mean of its divisors is an integer number (88662525).

Almost surely, 2^601216004 is an apocalyptic number.

It is an amenable number.

601216004 is a deficient number, since it is larger than the sum of its proper divisors (462734296).

601216004 is a wasteful number, since it uses less digits than its factorization.

601216004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1688902 (or 1688900 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 601216004 is about 24519.7064419621. The cubic root of 601216004 is about 844.0020683073.

The spelling of 601216004 in words is "six hundred one million, two hundred sixteen thousand, four".