3216139384 has 32 divisors (see below), whose sum is σ = 6183681840.
Its totient is φ = 1567238400.
The previous prime is 3216139379. The next prime is 3216139391. The reversal of 3216139384 is 4839316123.
It is a happy number.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 354019 + ... + 362989.
Almost surely, 23216139384 is an apocalyptic number.
It is an amenable number.
3216139384 is a deficient number, since it is larger than the sum of its proper divisors (2967542456).
3216139384 is a wasteful number, since it uses less digits than its factorization.
3216139384 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10111 (or 10107 counting only the distinct ones).
The product of its digits is 93312, while the sum is 40.
The square root of 3216139384 is about 56711.0164253825.
The cubic root of 3216139384 is about 1476.0858627156.
The spelling of 3216139384 in words is "three billion, two hundred sixteen million, one hundred thirty-nine thousand, three hundred eighty-four".