4921472 has 16 divisors (see below), whose sum is σ = 9804750. Its totient is φ = 2460672.

The previous prime is 4921453. The next prime is 4921487. The reversal of 4921472 is 2741294.

It can be written as a sum of positive squares in only one way, i.e., 4910656 + 10816 = 2216^2 + 104^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19097 + ... + 19352.

Almost surely, 2^4921472 is an apocalyptic number.

It is an amenable number.

4921472 is a deficient number, since it is larger than the sum of its proper divisors (4883278).

4921472 is an equidigital number, since it uses as much as digits as its factorization.

4921472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38463 (or 38451 counting only the distinct ones).

The product of its digits is 4032, while the sum is 29.

The square root of 4921472 is about 2218.4390908925. The cubic root of 4921472 is about 170.0976601493.

The spelling of 4921472 in words is "four million, nine hundred twenty-one thousand, four hundred seventy-two".