28796398 has 8 divisors (see below), whose sum is σ = 43218000. Its totient is φ = 14390400.

The previous prime is 28796387. The next prime is 28796401. The reversal of 28796398 is 89369782.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3598 + ... + 8398.

It is an arithmetic number, because the mean of its divisors is an integer number (5402250).

Almost surely, 2^28796398 is an apocalyptic number.

28796398 is a deficient number, since it is larger than the sum of its proper divisors (14421602).

28796398 is a wasteful number, since it uses less digits than its factorization.

28796398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7802.

The product of its digits is 1306368, while the sum is 52.

The square root of 28796398 is about 5366.2275389700. The cubic root of 28796398 is about 306.5109935053.

The spelling of 28796398 in words is "twenty-eight million, seven hundred ninety-six thousand, three hundred ninety-eight".