28804573 has 8 divisors (see below), whose sum is σ = 33411392. Its totient is φ = 24320736.

The previous prime is 28804571. The next prime is 28804597. The reversal of 28804573 is 37540882.

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 28804573 - 2¹ = 28804571 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28804571) 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, 30240 + ... + 31177.

It is an arithmetic number, because the mean of its divisors is an integer number (4176424).

Almost surely, 2^28804573 is an apocalyptic number.

It is an amenable number.

28804573 is a deficient number, since it is larger than the sum of its proper divisors (4606819).

28804573 is an equidigital number, since it uses as much as digits as its factorization.

28804573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61491.

The product of its (nonzero) digits is 53760, while the sum is 37.

The square root of 28804573 is about 5366.9891932069. The cubic root of 28804573 is about 306.5399958628.

The spelling of 28804573 in words is "twenty-eight million, eight hundred four thousand, five hundred seventy-three".