3209890488 has 128 divisors (see below), whose sum is σ = 9792921600. Its totient is φ = 856791936.

The previous prime is 3209890477. The next prime is 3209890493. The reversal of 3209890488 is 8840989023.

It is a happy number.

It is a Smith number, since the sum of its digits (51) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 3209890488.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 156493 + ... + 175811.

It is an arithmetic number, because the mean of its divisors is an integer number (76507200).

Almost surely, 2^3209890488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3209890488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4896460800).

3209890488 is an abundant number, since it is smaller than the sum of its proper divisors (6583031112).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3209890488 is a wasteful number, since it uses less digits than its factorization.

3209890488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19401 (or 19397 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The square root of 3209890488 is about 56655.8954390450. The cubic root of 3209890488 is about 1475.1292408827.

The spelling of 3209890488 in words is "three billion, two hundred nine million, eight hundred ninety thousand, four hundred eighty-eight".