28804041 has 24 divisors (see below), whose sum is σ = 47773440. Its totient is φ = 16382016.

The previous prime is 28804033. The next prime is 28804043. The reversal of 28804041 is 14040882.

It is not a de Polignac number, because 28804041 - 2³ = 28804033 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 28803996 and 28804014.

It is not an unprimeable number, because it can be changed into a prime (28804043) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14101 + ... + 16013.

It is an arithmetic number, because the mean of its divisors is an integer number (1990560).

Almost surely, 2^28804041 is an apocalyptic number.

28804041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28804041 is a deficient number, since it is larger than the sum of its proper divisors (18969399).

28804041 is a wasteful number, since it uses less digits than its factorization.

28804041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2165 (or 2162 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 28804041 is about 5366.9396307393. The cubic root of 28804041 is about 306.5381086592.

The spelling of 28804041 in words is "twenty-eight million, eight hundred four thousand, forty-one".