28795501 has 8 divisors (see below), whose sum is σ = 34845120. Its totient is φ = 23229888.

The previous prime is 28795493. The next prime is 28795531. The reversal of 28795501 is 10559782.

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

It is not a de Polignac number, because 28795501 - 2³ = 28795493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28795531) 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, 120871 + ... + 121108.

It is an arithmetic number, because the mean of its divisors is an integer number (4355640).

Almost surely, 2^28795501 is an apocalyptic number.

It is an amenable number.

28795501 is a deficient number, since it is larger than the sum of its proper divisors (6049619).

28795501 is a wasteful number, since it uses less digits than its factorization.

28795501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 242003.

The product of its (nonzero) digits is 25200, while the sum is 37.

The square root of 28795501 is about 5366.1439600518. The cubic root of 28795501 is about 306.5078108941.

The spelling of 28795501 in words is "twenty-eight million, seven hundred ninety-five thousand, five hundred one".