842469946 has 16 divisors (see below), whose sum is σ = 1301617800. Its totient is φ = 408663360.

The previous prime is 842469941. The next prime is 842469949. The reversal of 842469946 is 649964248.

It can be written as a sum of positive squares in 4 ways, for example, as 842450625 + 19321 = 29025^2 + 139^2 .

It is a junction number, because it is equal to n+sod(n) for n = 842469893 and 842469902.

It is not an unprimeable number, because it can be changed into a prime (842469941) 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, 9516 + ... + 42136.

Almost surely, 2^842469946 is an apocalyptic number.

842469946 is a deficient number, since it is larger than the sum of its proper divisors (459147854).

842469946 is a wasteful number, since it uses less digits than its factorization.

842469946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33009.

The product of its digits is 2985984, while the sum is 52.

The square root of 842469946 is about 29025.3328318557. The cubic root of 842469946 is about 944.4626886820.

The spelling of 842469946 in words is "eight hundred forty-two million, four hundred sixty-nine thousand, nine hundred forty-six".