28396268 has 12 divisors (see below), whose sum is σ = 49736400. Its totient is φ = 14185872.

The previous prime is 28396267. The next prime is 28396289. The reversal of 28396268 is 86269382.

It is not an unprimeable number, because it can be changed into a prime (28396267) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3905 + ... + 8487.

It is an arithmetic number, because the mean of its divisors is an integer number (4144700).

Almost surely, 2^28396268 is an apocalyptic number.

It is an amenable number.

28396268 is a deficient number, since it is larger than the sum of its proper divisors (21340132).

28396268 is a wasteful number, since it uses less digits than its factorization.

28396268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6136 (or 6134 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 28396268 is about 5328.8148776252. The cubic root of 28396268 is about 305.0846956402.

The spelling of 28396268 in words is "twenty-eight million, three hundred ninety-six thousand, two hundred sixty-eight".