28514738 has 16 divisors (see below), whose sum is σ = 49237440. Its totient is φ = 12131856.

The previous prime is 28514737. The next prime is 28514741. The reversal of 28514738 is 83741582.

It is not an unprimeable number, because it can be changed into a prime (28514737) 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 7 ways as a sum of consecutive naturals, for example, 5381 + ... + 9272.

It is an arithmetic number, because the mean of its divisors is an integer number (3077340).

Almost surely, 2^28514738 is an apocalyptic number.

28514738 is a deficient number, since it is larger than the sum of its proper divisors (20722702).

28514738 is a wasteful number, since it uses less digits than its factorization.

28514738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14801.

The product of its digits is 53760, while the sum is 38.

The square root of 28514738 is about 5339.9192877795. The cubic root of 28514738 is about 305.5083808505.

The spelling of 28514738 in words is "twenty-eight million, five hundred fourteen thousand, seven hundred thirty-eight".