4728331 has 4 divisors (see below), whose sum is σ = 4732992. Its totient is φ = 4723672.

The previous prime is 4728313. The next prime is 4728343. The reversal of 4728331 is 1338274.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 4728331 - 2⁷ = 4728203 is a prime.

It is a super-2 number, since 2×4728331² = 44714228091122, which contains 22 as substring.

It is a Duffinian number.

4728331 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 4728331.

It is not an unprimeable number, because it can be changed into a prime (4728301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91 + ... + 3076.

It is an arithmetic number, because the mean of its divisors is an integer number (1183248).

Almost surely, 2^4728331 is an apocalyptic number.

4728331 is a deficient number, since it is larger than the sum of its proper divisors (4661).

4728331 is a wasteful number, since it uses less digits than its factorization.

4728331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4660.

The product of its digits is 4032, while the sum is 28.

The square root of 4728331 is about 2174.4725797305. The cubic root of 4728331 is about 167.8427643551.

The spelling of 4728331 in words is "four million, seven hundred twenty-eight thousand, three hundred thirty-one".