4728881 has 4 divisors (see below), whose sum is σ = 4738164. Its totient is φ = 4719600.

The previous prime is 4728799. The next prime is 4728883. The reversal of 4728881 is 1888274.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1888274 = 2 ⋅944137.

It can be written as a sum of positive squares in 2 ways, for example, as 1343281 + 3385600 = 1159^2 + 1840^2 .

It is a cyclic number.

It is not a de Polignac number, because 4728881 - 2²² = 534577 is a prime.

It is a super-2 number, since 2×4728881² = 44724631024322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4728883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3830 + ... + 4911.

It is an arithmetic number, because the mean of its divisors is an integer number (1184541).

Almost surely, 2^4728881 is an apocalyptic number.

It is an amenable number.

4728881 is a deficient number, since it is larger than the sum of its proper divisors (9283).

4728881 is an equidigital number, since it uses as much as digits as its factorization.

4728881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9282.

The product of its digits is 28672, while the sum is 38.

The square root of 4728881 is about 2174.5990435020. The cubic root of 4728881 is about 167.8492719326.

The spelling of 4728881 in words is "four million, seven hundred twenty-eight thousand, eight hundred eighty-one".