4728591 has 32 divisors (see below), whose sum is σ = 8110080. Its totient is φ = 2667168.

The previous prime is 4728557. The next prime is 4728599. The reversal of 4728591 is 1958274.

4728591 is a `hidden beast` number, since 47 + 28 + 591 = 666.

It is not a de Polignac number, because 4728591 - 2⁶ = 4728527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728599) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23905 + ... + 24101.

It is an arithmetic number, because the mean of its divisors is an integer number (253440).

Almost surely, 2^4728591 is an apocalyptic number.

4728591 is a deficient number, since it is larger than the sum of its proper divisors (3381489).

4728591 is a wasteful number, since it uses less digits than its factorization.

4728591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340 (or 334 counting only the distinct ones).

The product of its digits is 20160, while the sum is 36.

The square root of 4728591 is about 2174.5323635209. The cubic root of 4728591 is about 167.8458407273.

The spelling of 4728591 in words is "four million, seven hundred twenty-eight thousand, five hundred ninety-one".