3384211721 has 8 divisors (see below), whose sum is σ = 3692757600. Its totient is φ = 3075814240.

The previous prime is 3384211679. The next prime is 3384211759. The reversal of 3384211721 is 1271124833.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3384211721 is a prime.

It is a super-2 number, since 2×3384211721² = 22905777945107563682, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3384211021) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13610 + ... + 83388.

It is an arithmetic number, because the mean of its divisors is an integer number (461594700).

Almost surely, 2^3384211721 is an apocalyptic number.

It is an amenable number.

3384211721 is a deficient number, since it is larger than the sum of its proper divisors (308545879).

3384211721 is a wasteful number, since it uses less digits than its factorization.

3384211721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74199.

The product of its digits is 8064, while the sum is 32.

The square root of 3384211721 is about 58173.9780400137. The cubic root of 3384211721 is about 1501.3634596837.

The spelling of 3384211721 in words is "three billion, three hundred eighty-four million, two hundred eleven thousand, seven hundred twenty-one".