28825793 has 8 divisors (see below), whose sum is σ = 30407520. Its totient is φ = 27250560.

The previous prime is 28825789. The next prime is 28825801. The reversal of 28825793 is 39752882.

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

It is not a de Polignac number, because 28825793 - 2² = 28825789 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (28825723) 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, 9521 + ... + 12177.

It is an arithmetic number, because the mean of its divisors is an integer number (3800940).

Almost surely, 2^28825793 is an apocalyptic number.

It is an amenable number.

28825793 is a deficient number, since it is larger than the sum of its proper divisors (1581727).

28825793 is a wasteful number, since it uses less digits than its factorization.

28825793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3247.

The product of its digits is 241920, while the sum is 44.

The square root of 28825793 is about 5368.9657290767. The cubic root of 28825793 is about 306.6152522239.

The spelling of 28825793 in words is "twenty-eight million, eight hundred twenty-five thousand, seven hundred ninety-three".