28069116 has 24 divisors (see below), whose sum is σ = 65775360. Its totient is φ = 9316272.

The previous prime is 28069103. The next prime is 28069117. The reversal of 28069116 is 61196082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28069117) 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, 2026 + ... + 7761.

It is an arithmetic number, because the mean of its divisors is an integer number (2740640).

Almost surely, 2^28069116 is an apocalyptic number.

It is an amenable number.

28069116 is an abundant number, since it is smaller than the sum of its proper divisors (37706244).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

28069116 is a wasteful number, since it uses less digits than its factorization.

28069116 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10033 (or 10031 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 28069116 is about 5298.0294449918. The cubic root of 28069116 is about 303.9085453198.

It can be divided in two parts, 280 and 69116, that added together give a palindrome (69396).

The spelling of 28069116 in words is "twenty-eight million, sixty-nine thousand, one hundred sixteen".