28880041 has 8 divisors (see below), whose sum is σ = 29573064. Its totient is φ = 28195200.

The previous prime is 28880029. The next prime is 28880051. The reversal of 28880041 is 14008882.

It can be written as a sum of positive squares in 4 ways, for example, as 17347225 + 11532816 = 4165^2 + 3396^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 28880041 - 2⁵ = 28880009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28879985 and 28880012.

It is not an unprimeable number, because it can be changed into a prime (28880051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5415 + ... + 9331.

It is an arithmetic number, because the mean of its divisors is an integer number (3696633).

Almost surely, 2^28880041 is an apocalyptic number.

It is an amenable number.

28880041 is a deficient number, since it is larger than the sum of its proper divisors (693023).

28880041 is a wasteful number, since it uses less digits than its factorization.

28880041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4091.

The product of its (nonzero) digits is 4096, while the sum is 31.

The square root of 28880041 is about 5374.0153516714. The cubic root of 28880041 is about 306.8074740639.

The spelling of 28880041 in words is "twenty-eight million, eight hundred eighty thousand, forty-one".