842971748 has 12 divisors (see below), whose sum is σ = 1478035692. Its totient is φ = 420675840.

The previous prime is 842971721. The next prime is 842971799. The reversal of 842971748 is 847179248.

It can be written as a sum of positive squares in 2 ways, for example, as 646074724 + 196897024 = 25418^2 + 14032^2 .

It is a junction number, because it is equal to n+sod(n) for n = 842971696 and 842971705.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200165 + ... + 204332.

It is an arithmetic number, because the mean of its divisors is an integer number (123169641).

Almost surely, 2^842971748 is an apocalyptic number.

It is an amenable number.

842971748 is a deficient number, since it is larger than the sum of its proper divisors (635063944).

842971748 is a wasteful number, since it uses less digits than its factorization.

842971748 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405022 (or 405020 counting only the distinct ones).

The product of its digits is 903168, while the sum is 50.

The square root of 842971748 is about 29033.9757525558. The cubic root of 842971748 is about 944.6501688420.

The spelling of 842971748 in words is "eight hundred forty-two million, nine hundred seventy-one thousand, seven hundred forty-eight".