28200998 has 8 divisors (see below), whose sum is σ = 48344592. Its totient is φ = 12086136.

The previous prime is 28200973. The next prime is 28201001. The reversal of 28200998 is 89900282.

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

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007165 + ... + 1007192.

It is an arithmetic number, because the mean of its divisors is an integer number (6043074).

Almost surely, 2^28200998 is an apocalyptic number.

28200998 is a deficient number, since it is larger than the sum of its proper divisors (20143594).

28200998 is a wasteful number, since it uses less digits than its factorization.

28200998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2014366.

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 28200998 is about 5310.4611852456. The cubic root of 28200998 is about 304.3837705745.

The spelling of 28200998 in words is "twenty-eight million, two hundred thousand, nine hundred ninety-eight".