28577041 has 16 divisors (see below), whose sum is σ = 30296448. Its totient is φ = 26928000.

The previous prime is 28577039. The next prime is 28577047. The reversal of 28577041 is 14077582.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 28577041 - 2¹ = 28577039 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28576988 and 28577006.

It is not an unprimeable number, because it can be changed into a prime (28577047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 277396 + ... + 277498.

It is an arithmetic number, because the mean of its divisors is an integer number (1893528).

Almost surely, 2^28577041 is an apocalyptic number.

It is an amenable number.

28577041 is a deficient number, since it is larger than the sum of its proper divisors (1719407).

28577041 is a wasteful number, since it uses less digits than its factorization.

28577041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312.

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 28577041 is about 5345.7498070897. The cubic root of 28577041 is about 305.7307248500.

The spelling of 28577041 in words is "twenty-eight million, five hundred seventy-seven thousand, forty-one".