3210939989 has 8 divisors (see below), whose sum is σ = 3286596192. Its totient is φ = 3135328560.

The previous prime is 3210939947. The next prime is 3210940009. The reversal of 3210939989 is 9899390123.

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 3210939989 - 2⁸ = 3210939733 is a prime.

It is a super-2 number, since 2×3210939989² = 20620271225918640242, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3210939989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3210939689) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166787 + ... + 185039.

It is an arithmetic number, because the mean of its divisors is an integer number (410824524).

Almost surely, 2^3210939989 is an apocalyptic number.

It is an amenable number.

3210939989 is a deficient number, since it is larger than the sum of its proper divisors (75656203).

3210939989 is a wasteful number, since it uses less digits than its factorization.

3210939989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22387.

The product of its (nonzero) digits is 944784, while the sum is 53.

The square root of 3210939989 is about 56665.1567455698. The cubic root of 3210939989 is about 1475.2899920488.

The spelling of 3210939989 in words is "three billion, two hundred ten million, nine hundred thirty-nine thousand, nine hundred eighty-nine".