248828109 has 8 divisors (see below), whose sum is σ = 332230080. Its totient is φ = 165655776.

The previous prime is 248828077. The next prime is 248828113. The reversal of 248828109 is 901828842.

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

It is not a de Polignac number, because 248828109 - 2⁵ = 248828077 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248828309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54864 + ... + 59225.

It is an arithmetic number, because the mean of its divisors is an integer number (41528760).

Almost surely, 2^248828109 is an apocalyptic number.

It is an amenable number.

248828109 is a deficient number, since it is larger than the sum of its proper divisors (83401971).

248828109 is a wasteful number, since it uses less digits than its factorization.

248828109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114819.

The product of its (nonzero) digits is 73728, while the sum is 42.

The square root of 248828109 is about 15774.2863230005. The cubic root of 248828109 is about 628.9746561386.

The spelling of 248828109 in words is "two hundred forty-eight million, eight hundred twenty-eight thousand, one hundred nine".