3142947844 has 9 divisors (see below), whose sum is σ = 5500354951. Its totient is φ = 1571417860.

The previous prime is 3142947839. The next prime is 3142947851. The reversal of 3142947844 is 4487492413.

The square root of 3142947844 is 56062.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3142947794 and 3142947803.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 98109 + ... + 126139.

Almost surely, 2^3142947844 is an apocalyptic number.

3142947844 is the 56062-nd square number.

It is an amenable number.

3142947844 is a deficient number, since it is larger than the sum of its proper divisors (2357407107).

3142947844 is an frugal number, since it uses more digits than its factorization.

3142947844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56066 (or 28033 counting only the distinct ones).

The product of its digits is 774144, while the sum is 46.

The cubic root of 3142947844 is about 1464.8024512016.

The spelling of 3142947844 in words is "three billion, one hundred forty-two million, nine hundred forty-seven thousand, eight hundred forty-four".