28665034 has 8 divisors (see below), whose sum is σ = 45260640. Its totient is φ = 13578156.

The previous prime is 28665029. The next prime is 28665041. The reversal of 28665034 is 43056682.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 377134 + ... + 377209.

It is an arithmetic number, because the mean of its divisors is an integer number (5657580).

Almost surely, 2^28665034 is an apocalyptic number.

28665034 is a deficient number, since it is larger than the sum of its proper divisors (16595606).

28665034 is a wasteful number, since it uses less digits than its factorization.

28665034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 754364.

The product of its (nonzero) digits is 34560, while the sum is 34.

The square root of 28665034 is about 5353.9736644851. The cubic root of 28665034 is about 306.0442002593.

The spelling of 28665034 in words is "twenty-eight million, six hundred sixty-five thousand, thirty-four".