3261799400 has 96 divisors (see below), whose sum is σ = 7859913600. Its totient is φ = 1257984000.

The previous prime is 3261799399. The next prime is 3261799421. The reversal of 3261799400 is 49971623.

3261799400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 677000 + ... + 681800.

It is an arithmetic number, because the mean of its divisors is an integer number (81874100).

Almost surely, 2^3261799400 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 3261799400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3929956800).

3261799400 is an abundant number, since it is smaller than the sum of its proper divisors (4598114200).

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

3261799400 is a wasteful number, since it uses less digits than its factorization.

3261799400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4939 (or 4930 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 3261799400 is about 57112.1650789042. The cubic root of 3261799400 is about 1483.0384679498.

The spelling of 3261799400 in words is "three billion, two hundred sixty-one million, seven hundred ninety-nine thousand, four hundred".