28792099 has 8 divisors (see below), whose sum is σ = 34040160. Its totient is φ = 23827776.

The previous prime is 28792081. The next prime is 28792117. The reversal of 28792099 is 99029782.

It is an interprime number because it is at equal distance from previous prime (28792081) and next prime (28792117).

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

It is not a de Polignac number, because 28792099 - 2¹¹ = 28790051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28792019) 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, 70714 + ... + 71119.

It is an arithmetic number, because the mean of its divisors is an integer number (4255020).

Almost surely, 2^28792099 is an apocalyptic number.

28792099 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

28792099 is a deficient number, since it is larger than the sum of its proper divisors (5248061).

28792099 is a wasteful number, since it uses less digits than its factorization.

28792099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141869.

The product of its (nonzero) digits is 163296, while the sum is 46.

The square root of 28792099 is about 5365.8269632928. The cubic root of 28792099 is about 306.4957397880.

The spelling of 28792099 in words is "twenty-eight million, seven hundred ninety-two thousand, ninety-nine".