248450789 has 8 divisors (see below), whose sum is σ = 256798080. Its totient is φ = 240231136.

The previous prime is 248450779. The next prime is 248450843. The reversal of 248450789 is 987054842.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 248450789 - 2⁸ = 248450533 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248450759) 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, 27944 + ... + 35745.

It is an arithmetic number, because the mean of its divisors is an integer number (32099760).

Almost surely, 2^248450789 is an apocalyptic number.

It is an amenable number.

248450789 is a deficient number, since it is larger than the sum of its proper divisors (8347291).

248450789 is an equidigital number, since it uses as much as digits as its factorization.

248450789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63819.

The product of its (nonzero) digits is 645120, while the sum is 47.

The square root of 248450789 is about 15762.3218150119. The cubic root of 248450789 is about 628.6565720628.

The spelling of 248450789 in words is "two hundred forty-eight million, four hundred fifty thousand, seven hundred eighty-nine".