4728940 has 48 divisors (see below), whose sum is σ = 10442880. Its totient is φ = 1797120.

The previous prime is 4728931. The next prime is 4728947. The reversal of 4728940 is 498274.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 4728896 and 4728905.

It is not an unprimeable number, because it can be changed into a prime (4728947) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59821 + ... + 59899.

It is an arithmetic number, because the mean of its divisors is an integer number (217560).

Almost surely, 2^4728940 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4728940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5221440).

4728940 is an abundant number, since it is smaller than the sum of its proper divisors (5713940).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4728940 is a wasteful number, since it uses less digits than its factorization.

4728940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 202 (or 200 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 4728940 is about 2174.6126091789. The cubic root of 4728940 is about 167.8499699882.

The spelling of 4728940 in words is "four million, seven hundred twenty-eight thousand, nine hundred forty".