4638872 has 16 divisors (see below), whose sum is σ = 9940560. Its totient is φ = 1988064.

The previous prime is 4638859. The next prime is 4638899. The reversal of 4638872 is 2788364.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41363 + ... + 41474.

It is an arithmetic number, because the mean of its divisors is an integer number (621285).

Almost surely, 2^4638872 is an apocalyptic number.

It is an amenable number.

4638872 is an abundant number, since it is smaller than the sum of its proper divisors (5301688).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4638872 is a wasteful number, since it uses less digits than its factorization.

4638872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82850 (or 82846 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 4638872 is about 2153.8040765121. The cubic root of 4638872 is about 166.7775013888. Note that the first 3 decimals are identical.

The spelling of 4638872 in words is "four million, six hundred thirty-eight thousand, eight hundred seventy-two".