3000644 has 6 divisors (see below), whose sum is σ = 5251134. Its totient is φ = 1500320.

The previous prime is 3000643. The next prime is 3000671. The reversal of 3000644 is 4460003.

It can be written as a sum of positive squares in only one way, i.e., 2992900 + 7744 = 1730^2 + 88^2 .

It is not an unprimeable number, because it can be changed into a prime (3000643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 375077 + ... + 375084.

It is an arithmetic number, because the mean of its divisors is an integer number (875189).

Almost surely, 2^3000644 is an apocalyptic number.

It is an amenable number.

3000644 is a deficient number, since it is larger than the sum of its proper divisors (2250490).

3000644 is a wasteful number, since it uses less digits than its factorization.

3000644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 750165 (or 750163 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 17.

The square root of 3000644 is about 1732.2367043796. The cubic root of 3000644 is about 144.2352763893.

Adding to 3000644 its reverse (4460003), we get a palindrome (7460647).

The spelling of 3000644 in words is "three million, six hundred forty-four", and thus it is an aban number.