4247928 has 48 divisors (see below), whose sum is σ = 11793600. Its totient is φ = 1380480.

The previous prime is 4247923. The next prime is 4247981. The reversal of 4247928 is 8297424.

4247928 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 4247892 and 4247901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4247923) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2233 + ... + 3671.

It is an arithmetic number, because the mean of its divisors is an integer number (245700).

Almost surely, 2^4247928 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 4247928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5896800).

4247928 is an abundant number, since it is smaller than the sum of its proper divisors (7545672).

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

4247928 is a wasteful number, since it uses less digits than its factorization.

4247928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1492 (or 1485 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 4247928 is about 2061.0502177288. The cubic root of 4247928 is about 161.9542623510.

The spelling of 4247928 in words is "four million, two hundred forty-seven thousand, nine hundred twenty-eight".