347216984 has 16 divisors (see below), whose sum is σ = 656160000. Its totient is φ = 172240992.

The previous prime is 347216983. The next prime is 347216999. The reversal of 347216984 is 489612743.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (347216983) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169859 + ... + 171890.

It is an arithmetic number, because the mean of its divisors is an integer number (41010000).

Almost surely, 2^347216984 is an apocalyptic number.

It is an amenable number.

347216984 is a deficient number, since it is larger than the sum of its proper divisors (308943016).

347216984 is a wasteful number, since it uses less digits than its factorization.

347216984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341882 (or 341878 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 347216984 is about 18633.7592557165. The cubic root of 347216984 is about 702.8570199302.

The spelling of 347216984 in words is "three hundred forty-seven million, two hundred sixteen thousand, nine hundred eighty-four".