248450839 has 8 divisors (see below), whose sum is σ = 305785760. Its totient is φ = 196576416.

The previous prime is 248450779. The next prime is 248450843. The reversal of 248450839 is 938054842.

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 248450839 - 2²¹ = 246353687 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 248450795 and 248450804.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (248450639) 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, 1365024 + ... + 1365205.

It is an arithmetic number, because the mean of its divisors is an integer number (38223220).

Almost surely, 2^248450839 is an apocalyptic number.

248450839 is a deficient number, since it is larger than the sum of its proper divisors (57334921).

248450839 is a wasteful number, since it uses less digits than its factorization.

248450839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2730249.

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 248450839 is about 15762.3234010726. The cubic root of 248450839 is about 628.6566142346.

The spelling of 248450839 in words is "two hundred forty-eight million, four hundred fifty thousand, eight hundred thirty-nine".