248364809 has 8 divisors (see below), whose sum is σ = 309649728. Its totient is φ = 193530960.

The previous prime is 248364797. The next prime is 248364811. The reversal of 248364809 is 908463842.

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

It is not a de Polignac number, because 248364809 - 2⁸ = 248364553 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 248364809.

It is not an unprimeable number, because it can be changed into a prime (248364859) 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, 1612682 + ... + 1612835.

It is an arithmetic number, because the mean of its divisors is an integer number (38706216).

Almost surely, 2^248364809 is an apocalyptic number.

It is an amenable number.

248364809 is a deficient number, since it is larger than the sum of its proper divisors (61284919).

248364809 is a wasteful number, since it uses less digits than its factorization.

248364809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3225535.

The product of its (nonzero) digits is 331776, while the sum is 44.

The square root of 248364809 is about 15759.5941889377. The cubic root of 248364809 is about 628.5840451201.

The spelling of 248364809 in words is "two hundred forty-eight million, three hundred sixty-four thousand, eight hundred nine".