3147971398 has 32 divisors (see below), whose sum is σ = 5563367712. Its totient is φ = 1317043200.

The previous prime is 3147971369. The next prime is 3147971401. The reversal of 3147971398 is 8931797413.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85368 + ... + 116548.

It is an arithmetic number, because the mean of its divisors is an integer number (173855241).

Almost surely, 2^3147971398 is an apocalyptic number.

3147971398 is a deficient number, since it is larger than the sum of its proper divisors (2415396314).

3147971398 is a wasteful number, since it uses less digits than its factorization.

3147971398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31560.

The product of its digits is 1143072, while the sum is 52.

The square root of 3147971398 is about 56106.7856680455. The cubic root of 3147971398 is about 1465.5824617250.

The spelling of 3147971398 in words is "three billion, one hundred forty-seven million, nine hundred seventy-one thousand, three hundred ninety-eight".