4649728 has 36 divisors (see below), whose sum is σ = 9529128. Its totient is φ = 2263040.

The previous prime is 4649693. The next prime is 4649741. The reversal of 4649728 is 8279464.

It is a d-powerful number, because it can be written as 4⁴ + 6⁸ + 4⁷ + 9 + 7⁷ + 2²¹ + 8⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10275 + ... + 10717.

It is an arithmetic number, because the mean of its divisors is an integer number (264698).

Almost surely, 2^4649728 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 4649728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4764564).

4649728 is an abundant number, since it is smaller than the sum of its proper divisors (4879400).

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

4649728 is an equidigital number, since it uses as much as digits as its factorization.

4649728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500 (or 486 counting only the distinct ones).

The product of its digits is 96768, while the sum is 40.

The square root of 4649728 is about 2156.3227958726. The cubic root of 4649728 is about 166.9074989424.

The spelling of 4649728 in words is "four million, six hundred forty-nine thousand, seven hundred twenty-eight".