28365416 has 16 divisors (see below), whose sum is σ = 53827200. Its totient is φ = 14011504.

The previous prime is 28365413. The next prime is 28365431. The reversal of 28365416 is 61456382.

It is not an unprimeable number, because it can be changed into a prime (28365413) 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 3 ways as a sum of consecutive naturals, for example, 20696 + ... + 22023.

It is an arithmetic number, because the mean of its divisors is an integer number (3364200).

Almost surely, 2^28365416 is an apocalyptic number.

It is an amenable number.

28365416 is a deficient number, since it is larger than the sum of its proper divisors (25461784).

28365416 is a wasteful number, since it uses less digits than its factorization.

28365416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42808 (or 42804 counting only the distinct ones).

The product of its digits is 34560, while the sum is 35.

The square root of 28365416 is about 5325.9192633760. The cubic root of 28365416 is about 304.9741660462.

The spelling of 28365416 in words is "twenty-eight million, three hundred sixty-five thousand, four hundred sixteen".