28090041 has 8 divisors (see below), whose sum is σ = 42803904. Its totient is φ = 16051440.

The previous prime is 28090039. The next prime is 28090081. The reversal of 28090041 is 14009082.

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

It is not a de Polignac number, because 28090041 - 2¹ = 28090039 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 28089993 and 28090020.

It is not an unprimeable number, because it can be changed into a prime (28090021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 668790 + ... + 668831.

It is an arithmetic number, because the mean of its divisors is an integer number (5350488).

Almost surely, 2^28090041 is an apocalyptic number.

28090041 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

28090041 is a deficient number, since it is larger than the sum of its proper divisors (14713863).

28090041 is a wasteful number, since it uses less digits than its factorization.

28090041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337631.

The product of its (nonzero) digits is 576, while the sum is 24.

The square root of 28090041 is about 5300.0038679231. The cubic root of 28090041 is about 303.9840459367.

The spelling of 28090041 in words is "twenty-eight million, ninety thousand, forty-one".