3147446842 has 16 divisors (see below), whose sum is σ = 4761630720. Its totient is φ = 1560253968.

The previous prime is 3147446839. The next prime is 3147446849. The reversal of 3147446842 is 2486447413.

It is not an unprimeable number, because it can be changed into a prime (3147446849) 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, 465784 + ... + 472492.

It is an arithmetic number, because the mean of its divisors is an integer number (297601920).

Almost surely, 2^3147446842 is an apocalyptic number.

3147446842 is a deficient number, since it is larger than the sum of its proper divisors (1614183878).

3147446842 is a wasteful number, since it uses less digits than its factorization.

3147446842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8685.

The product of its digits is 516096, while the sum is 43.

The square root of 3147446842 is about 56102.1108515535. The cubic root of 3147446842 is about 1465.5010523895.

The spelling of 3147446842 in words is "three billion, one hundred forty-seven million, four hundred forty-six thousand, eight hundred forty-two".