28076465 has 8 divisors (see below), whose sum is σ = 33732288. Its totient is φ = 22434160.

The previous prime is 28076459. The next prime is 28076473. The reversal of 28076465 is 56467082.

It is a happy number.

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

It is not a de Polignac number, because 28076465 - 2⁴ = 28076449 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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, 1964 + ... + 7746.

It is an arithmetic number, because the mean of its divisors is an integer number (4216536).

Almost surely, 2^28076465 is an apocalyptic number.

It is an amenable number.

28076465 is a deficient number, since it is larger than the sum of its proper divisors (5655823).

28076465 is an equidigital number, since it uses as much as digits as its factorization.

28076465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6759.

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 28076465 is about 5298.7229593554. The cubic root of 28076465 is about 303.9350659153.

The spelling of 28076465 in words is "twenty-eight million, seventy-six thousand, four hundred sixty-five".