28114998 has 8 divisors (see below), whose sum is σ = 56230008. Its totient is φ = 9371664.

The previous prime is 28114987. The next prime is 28115023. The reversal of 28114998 is 89941182.

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

28114998 is an admirable number.

It is a super-2 number, since 2×28114998² = 1580906225080008, which contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2342911 + ... + 2342922.

It is an arithmetic number, because the mean of its divisors is an integer number (7028751).

Almost surely, 2^28114998 is an apocalyptic number.

28114998 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.

28114998 is a wasteful number, since it uses less digits than its factorization.

28114998 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4685838.

The product of its digits is 41472, while the sum is 42.

The square root of 28114998 is about 5302.3577774420. The cubic root of 28114998 is about 304.0740456174.

The spelling of 28114998 in words is "twenty-eight million, one hundred fourteen thousand, nine hundred ninety-eight".