28044695 has 8 divisors (see below), whose sum is σ = 38461344. Its totient is φ = 19230624.

The previous prime is 28044691. The next prime is 28044707. The reversal of 28044695 is 59644082.

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

It is not a de Polignac number, because 28044695 - 2² = 28044691 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28044691) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 400604 + ... + 400673.

It is an arithmetic number, because the mean of its divisors is an integer number (4807668).

Almost surely, 2^28044695 is an apocalyptic number.

28044695 is a deficient number, since it is larger than the sum of its proper divisors (10416649).

28044695 is an equidigital number, since it uses as much as digits as its factorization.

28044695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801289.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 28044695 is about 5295.7242186504. The cubic root of 28044695 is about 303.8203831323.

The spelling of 28044695 in words is "twenty-eight million, forty-four thousand, six hundred ninety-five".