28068363 has 20 divisors (see below), whose sum is σ = 42166080. Its totient is φ = 18606672.

The previous prime is 28068331. The next prime is 28068367. The reversal of 28068363 is 36386082.

It is not a de Polignac number, because 28068363 - 2⁵ = 28068331 is a prime.

It is not an unprimeable number, because it can be changed into a prime (28068367) by changing a digit.

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 19 ways as a sum of consecutive naturals, for example, 15078 + ... + 16836.

It is an arithmetic number, because the mean of its divisors is an integer number (2108304).

Almost surely, 2^28068363 is an apocalyptic number.

28068363 is a deficient number, since it is larger than the sum of its proper divisors (14097717).

28068363 is a wasteful number, since it uses less digits than its factorization.

28068363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1968 (or 1959 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28068363 is about 5297.9583803575. The cubic root of 28068363 is about 303.9058276807.

The spelling of 28068363 in words is "twenty-eight million, sixty-eight thousand, three hundred sixty-three".