4728191 has 8 divisors (see below), whose sum is σ = 5110224. Its totient is φ = 4348800.

The previous prime is 4728181. The next prime is 4728203. The reversal of 4728191 is 1918274.

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 4728191 - 2⁶ = 4728127 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728121) 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, 4760 + ... + 5666.

It is an arithmetic number, because the mean of its divisors is an integer number (638778).

Almost surely, 2^4728191 is an apocalyptic number.

4728191 is a deficient number, since it is larger than the sum of its proper divisors (382033).

4728191 is a wasteful number, since it uses less digits than its factorization.

4728191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321.

The product of its digits is 4032, while the sum is 32.

The square root of 4728191 is about 2174.4403877780. The cubic root of 4728191 is about 167.8411078002.

The spelling of 4728191 in words is "four million, seven hundred twenty-eight thousand, one hundred ninety-one".