4728919 has 8 divisors (see below), whose sum is σ = 5131280. Its totient is φ = 4332096.

The previous prime is 4728917. The next prime is 4728931. The reversal of 4728919 is 9198274.

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

It is a cyclic number.

It is not a de Polignac number, because 4728919 - 2¹ = 4728917 is a prime.

It is a super-2 number, since 2×4728919² = 44725349817122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728917) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 499 + ... + 3115.

It is an arithmetic number, because the mean of its divisors is an integer number (641410).

Almost surely, 2^4728919 is an apocalyptic number.

4728919 is a deficient number, since it is larger than the sum of its proper divisors (402361).

4728919 is a wasteful number, since it uses less digits than its factorization.

4728919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769.

The product of its digits is 36288, while the sum is 40.

The square root of 4728919 is about 2174.6077807274. The cubic root of 4728919 is about 167.8497215284.

The spelling of 4728919 in words is "four million, seven hundred twenty-eight thousand, nine hundred nineteen".