3261299696 has 40 divisors (see below), whose sum is σ = 6587280768. Its totient is φ = 1562400000.

The previous prime is 3261299653. The next prime is 3261299711. The reversal of 3261299696 is 6969921623.

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 7 ways as a sum of consecutive naturals, for example, 17546 + ... + 82646.

Almost surely, 2^3261299696 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 3261299696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3293640384).

3261299696 is an abundant number, since it is smaller than the sum of its proper divisors (3325981072).

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

3261299696 is a wasteful number, since it uses less digits than its factorization.

3261299696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65241 (or 65235 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 53.

The square root of 3261299696 is about 57107.7901516072. The cubic root of 3261299696 is about 1482.9627308069.

The spelling of 3261299696 in words is "three billion, two hundred sixty-one million, two hundred ninety-nine thousand, six hundred ninety-six".