28044662 has 8 divisors (see below), whose sum is σ = 44541576. Its totient is φ = 13197472.

The previous prime is 28044617. The next prime is 28044691. The reversal of 28044662 is 26644082.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 412388 + ... + 412455.

It is an arithmetic number, because the mean of its divisors is an integer number (5567697).

Almost surely, 2^28044662 is an apocalyptic number.

28044662 is a deficient number, since it is larger than the sum of its proper divisors (16496914).

28044662 is a wasteful number, since it uses less digits than its factorization.

28044662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824862.

The product of its (nonzero) digits is 18432, while the sum is 32.

The square root of 28044662 is about 5295.7211029283. The cubic root of 28044662 is about 303.8202639644.

The spelling of 28044662 in words is "twenty-eight million, forty-four thousand, six hundred sixty-two".