28065514 has 8 divisors (see below), whose sum is σ = 42892740. Its totient is φ = 13767936.

The previous prime is 28065511. The next prime is 28065517. The reversal of 28065514 is 41556082.

It is an interprime number because it is at equal distance from previous prime (28065511) and next prime (28065517).

It can be written as a sum of positive squares in 2 ways, for example, as 23203489 + 4862025 = 4817^2 + 2205^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (28065511) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132279 + ... + 132490.

Almost surely, 2^28065514 is an apocalyptic number.

28065514 is a deficient number, since it is larger than the sum of its proper divisors (14827226).

28065514 is a wasteful number, since it uses less digits than its factorization.

28065514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264824.

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 28065514 is about 5297.6894963748. The cubic root of 28065514 is about 303.8955449649.

The spelling of 28065514 in words is "twenty-eight million, sixty-five thousand, five hundred fourteen".