3279989376 has 320 divisors, whose sum is σ = 10236948480. Its totient is φ = 1041610752.

The previous prime is 3279989351. The next prime is 3279989413. The reversal of 3279989376 is 6739899723.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 25826625 + ... + 25826751.

It is an arithmetic number, because the mean of its divisors is an integer number (31990464).

Almost surely, 2^3279989376 is an apocalyptic number.

3279989376 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3279989376, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5118474240).

3279989376 is an abundant number, since it is smaller than the sum of its proper divisors (6956959104).

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

3279989376 is a wasteful number, since it uses less digits than its factorization.

3279989376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 253 (or 232 counting only the distinct ones).

The product of its digits is 30862944, while the sum is 63.

The square root of 3279989376 is about 57271.1915014870. The cubic root of 3279989376 is about 1485.7901641157.

The spelling of 3279989376 in words is "three billion, two hundred seventy-nine million, nine hundred eighty-nine thousand, three hundred seventy-six".