3281429976 has 72 divisors (see below), whose sum is σ = 9025643340. Its totient is φ = 993437280.

The previous prime is 3281429951. The next prime is 3281429993. The reversal of 3281429976 is 6799241823.

3281429976 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3086421 + ... + 3087483.

Almost surely, 2^3281429976 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 3281429976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4512821670).

3281429976 is an abundant number, since it is smaller than the sum of its proper divisors (5744213364).

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

3281429976 is a wasteful number, since it uses less digits than its factorization.

3281429976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2157 (or 1079 counting only the distinct ones).

The product of its digits is 1306368, while the sum is 51.

The square root of 3281429976 is about 57283.7671247274. The cubic root of 3281429976 is about 1486.0076562857.

The spelling of 3281429976 in words is "three billion, two hundred eighty-one million, four hundred twenty-nine thousand, nine hundred seventy-six".