28896223 has 8 divisors (see below), whose sum is σ = 29754000. Its totient is φ = 28042560.

The previous prime is 28896221. The next prime is 28896233. The reversal of 28896223 is 32269882.

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

It is a cyclic number.

It is not a de Polignac number, because 28896223 - 2¹ = 28896221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28896221) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18528 + ... + 20026.

It is an arithmetic number, because the mean of its divisors is an integer number (3719250).

Almost surely, 2^28896223 is an apocalyptic number.

28896223 is a deficient number, since it is larger than the sum of its proper divisors (857777).

28896223 is a wasteful number, since it uses less digits than its factorization.

28896223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2057.

The product of its digits is 82944, while the sum is 40.

The square root of 28896223 is about 5375.5207189630. The cubic root of 28896223 is about 306.8647665905.

The spelling of 28896223 in words is "twenty-eight million, eight hundred ninety-six thousand, two hundred twenty-three".