3259714728 has 64 divisors (see below), whose sum is σ = 8437777920. Its totient is φ = 1048320000.

The previous prime is 3259714687. The next prime is 3259714739. The reversal of 3259714728 is 8274179523.

It is a happy number.

It is a super-2 number, since 2×3259714728² = 21251480215880227968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 244228 + ... + 257228.

It is an arithmetic number, because the mean of its divisors is an integer number (131840280).

Almost surely, 2^3259714728 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 3259714728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4218888960).

3259714728 is an abundant number, since it is smaller than the sum of its proper divisors (5178063192).

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

3259714728 is a wasteful number, since it uses less digits than its factorization.

3259714728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13378 (or 13374 counting only the distinct ones).

The product of its digits is 846720, while the sum is 48.

The square root of 3259714728 is about 57093.9114792462. The cubic root of 3259714728 is about 1482.7224555013.

The spelling of 3259714728 in words is "three billion, two hundred fifty-nine million, seven hundred fourteen thousand, seven hundred twenty-eight".