28851101 has 8 divisors (see below), whose sum is σ = 30650400. Its totient is φ = 27079920.

The previous prime is 28851089. The next prime is 28851103. The reversal of 28851101 is 10115882.

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 28851101 - 2¹⁰ = 28850077 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 (28851103) 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, 4895 + ... + 9036.

It is an arithmetic number, because the mean of its divisors is an integer number (3831300).

Almost surely, 2^28851101 is an apocalyptic number.

It is an amenable number.

28851101 is a deficient number, since it is larger than the sum of its proper divisors (1799299).

28851101 is a wasteful number, since it uses less digits than its factorization.

28851101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14059.

The product of its (nonzero) digits is 640, while the sum is 26.

The square root of 28851101 is about 5371.3220905099. The cubic root of 28851101 is about 306.7049583303.

Adding to 28851101 its reverse (10115882), we get a palindrome (38966983).

The spelling of 28851101 in words is "twenty-eight million, eight hundred fifty-one thousand, one hundred one".