4644272 has 20 divisors (see below), whose sum is σ = 9084240. Its totient is φ = 2299968.

The previous prime is 4644259. The next prime is 4644319. The reversal of 4644272 is 2724464.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

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, 413 + ... + 3075.

It is an arithmetic number, because the mean of its divisors is an integer number (454212).

Almost surely, 2^4644272 is an apocalyptic number.

It is an amenable number.

4644272 is a deficient number, since it is larger than the sum of its proper divisors (4439968).

4644272 is a wasteful number, since it uses less digits than its factorization.

4644272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2780 (or 2774 counting only the distinct ones).

The product of its digits is 10752, while the sum is 29.

The square root of 4644272 is about 2155.0573078227. The cubic root of 4644272 is about 166.8421901952.

The spelling of 4644272 in words is "four million, six hundred forty-four thousand, two hundred seventy-two".