3389861921 has 8 divisors (see below), whose sum is σ = 3403859424. Its totient is φ = 3375892800.

The previous prime is 3389861869. The next prime is 3389861929. The reversal of 3389861921 is 1291689833.

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

It is a cyclic number.

It is not a de Polignac number, because 3389861921 - 2⁶ = 3389861857 is a prime.

It is a super-2 number, since 2×3389861921² = 22982327686891620482, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3389861921.

It is not an unprimeable number, because it can be changed into a prime (3389861929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 251270 + ... + 264416.

It is an arithmetic number, because the mean of its divisors is an integer number (425482428).

Almost surely, 2^3389861921 is an apocalyptic number.

It is an amenable number.

3389861921 is a deficient number, since it is larger than the sum of its proper divisors (13997503).

3389861921 is a wasteful number, since it uses less digits than its factorization.

3389861921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14191.

The product of its digits is 559872, while the sum is 50.

The square root of 3389861921 is about 58222.5207372542. The cubic root of 3389861921 is about 1502.1985421081.

The spelling of 3389861921 in words is "three billion, three hundred eighty-nine million, eight hundred sixty-one thousand, nine hundred twenty-one".