248646842 has 4 divisors (see below), whose sum is σ = 372970266. Its totient is φ = 124323420.

The previous prime is 248646817. The next prime is 248646847.

248646842 is nontrivially palindromic in base 10.

248646842 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 246772681 + 1874161 = 15709^2 + 1369^2 .

It is a junction number, because it is equal to n+sod(n) for n = 248646793 and 248646802.

It is not an unprimeable number, because it can be changed into a prime (248646847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 62161709 + ... + 62161712.

Almost surely, 2^248646842 is an apocalyptic number.

248646842 is a deficient number, since it is larger than the sum of its proper divisors (124323424).

248646842 is a wasteful number, since it uses less digits than its factorization.

248646842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124323423.

The product of its digits is 589824, while the sum is 44.

The square root of 248646842 is about 15768.5396280061. The cubic root of 248646842 is about 628.8218866277.

The spelling of 248646842 in words is "two hundred forty-eight million, six hundred forty-six thousand, eight hundred forty-two".