28030098 has 8 divisors (see below), whose sum is σ = 56060208. Its totient is φ = 9343364.

The previous prime is 28030061. The next prime is 28030099. The reversal of 28030098 is 89003082.

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

28030098 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (28030099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335836 + ... + 2335847.

It is an arithmetic number, because the mean of its divisors is an integer number (7007526).

Almost surely, 2^28030098 is an apocalyptic number.

28030098 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28030098 is a wasteful number, since it uses less digits than its factorization.

28030098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4671688.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 28030098 is about 5294.3458519443. The cubic root of 28030098 is about 303.7676621002.

The spelling of 28030098 in words is "twenty-eight million, thirty thousand, ninety-eight".