28368998 has 16 divisors (see below), whose sum is σ = 48743424. Its totient is φ = 12130440.

The previous prime is 28368983. The next prime is 28369013. The reversal of 28368998 is 89986382.

It is an interprime number because it is at equal distance from previous prime (28368983) and next prime (28369013).

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 7 ways as a sum of consecutive naturals, for example, 4811 + ... + 8937.

It is an arithmetic number, because the mean of its divisors is an integer number (3046464).

Almost surely, 2^28368998 is an apocalyptic number.

28368998 is a deficient number, since it is larger than the sum of its proper divisors (20374426).

28368998 is a wasteful number, since it uses less digits than its factorization.

28368998 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4627.

The product of its digits is 1492992, while the sum is 53.

The square root of 28368998 is about 5326.2555327359. The cubic root of 28368998 is about 304.9870029398.

The spelling of 28368998 in words is "twenty-eight million, three hundred sixty-eight thousand, nine hundred ninety-eight".