3219906988 has 24 divisors (see below), whose sum is σ = 5883171840. Its totient is φ = 1539080400.

The previous prime is 3219906961. The next prime is 3219907051. The reversal of 3219906988 is 8896099123.

It is a super-2 number, since 2×3219906988² = 20735602022742464288, which contains 22 as substring.

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, 170523 + ... + 188461.

It is an arithmetic number, because the mean of its divisors is an integer number (245132160).

Almost surely, 2^3219906988 is an apocalyptic number.

It is an amenable number.

3219906988 is a deficient number, since it is larger than the sum of its proper divisors (2663264852).

3219906988 is a wasteful number, since it uses less digits than its factorization.

3219906988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19917 (or 19915 counting only the distinct ones).

The product of its (nonzero) digits is 1679616, while the sum is 55.

The square root of 3219906988 is about 56744.2242699643. The cubic root of 3219906988 is about 1476.6620335132.

The spelling of 3219906988 in words is "three billion, two hundred nineteen million, nine hundred six thousand, nine hundred eighty-eight".