4728436 has 12 divisors (see below), whose sum is σ = 8323812. Its totient is φ = 2350208.

The previous prime is 4728433. The next prime is 4728487. The reversal of 4728436 is 6348274.

It can be written as a sum of positive squares in 2 ways, for example, as 2496400 + 2232036 = 1580^2 + 1494^2 .

It is a d-powerful number, because it can be written as 4⁴ + 7³ + 2¹¹ + 8 + 4¹¹ + 3¹² + 6² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728433) 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, 2725 + ... + 4108.

It is an arithmetic number, because the mean of its divisors is an integer number (693651).

Almost surely, 2^4728436 is an apocalyptic number.

It is an amenable number.

4728436 is a deficient number, since it is larger than the sum of its proper divisors (3595376).

4728436 is a wasteful number, since it uses less digits than its factorization.

4728436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7010 (or 7008 counting only the distinct ones).

The product of its digits is 32256, while the sum is 34.

The square root of 4728436 is about 2174.4967233822. The cubic root of 4728436 is about 167.8440067497.

The spelling of 4728436 in words is "four million, seven hundred twenty-eight thousand, four hundred thirty-six".