842747248 has 40 divisors (see below), whose sum is σ = 1871178848. Its totient is φ = 360191232.

The previous prime is 842747231. The next prime is 842747249.

842747248 is nontrivially palindromic in base 10.

842747248 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 842747198 and 842747207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (842747249) 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, 31690 + ... + 51862.

Almost surely, 2^842747248 is an apocalyptic number.

It is an amenable number.

842747248 is an abundant number, since it is smaller than the sum of its proper divisors (1028431600).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

842747248 is a wasteful number, since it uses less digits than its factorization.

842747248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20561 (or 20555 counting only the distinct ones).

The product of its digits is 802816, while the sum is 46.

The square root of 842747248 is about 29030.1093349646. The cubic root of 842747248 is about 944.5663017402.

The spelling of 842747248 in words is "eight hundred forty-two million, seven hundred forty-seven thousand, two hundred forty-eight".