28448758 has 8 divisors (see below), whose sum is σ = 45955728. Its totient is φ = 13130184.

The previous prime is 28448743. The next prime is 28448759. The reversal of 28448758 is 85784482.

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 not an unprimeable number, because it can be changed into a prime (28448759) 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, 547066 + ... + 547117.

It is an arithmetic number, because the mean of its divisors is an integer number (5744466).

Almost surely, 2^28448758 is an apocalyptic number.

28448758 is a deficient number, since it is larger than the sum of its proper divisors (17506970).

28448758 is a wasteful number, since it uses less digits than its factorization.

28448758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1094198.

The product of its digits is 573440, while the sum is 46.

The square root of 28448758 is about 5333.7377138363. The cubic root of 28448758 is about 305.2725611566.

The spelling of 28448758 in words is "twenty-eight million, four hundred forty-eight thousand, seven hundred fifty-eight".