3000638 has 8 divisors (see below), whose sum is σ = 4509120. Its totient is φ = 1497600.

The previous prime is 3000637. The next prime is 3000643. The reversal of 3000638 is 8360003.

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

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3000637) 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, 563 + ... + 2513.

It is an arithmetic number, because the mean of its divisors is an integer number (563640).

Almost surely, 2^3000638 is an apocalyptic number.

3000638 is a deficient number, since it is larger than the sum of its proper divisors (1508482).

3000638 is a wasteful number, since it uses less digits than its factorization.

3000638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2722.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 3000638 is about 1732.2349725138. The cubic root of 3000638 is about 144.2351802530.

The spelling of 3000638 in words is "three million, six hundred thirty-eight", and thus it is an aban number.