3279644732 has 48 divisors (see below), whose sum is σ = 7104818112. Its totient is φ = 1289917440.

The previous prime is 3279644729. The next prime is 3279644737. The reversal of 3279644732 is 2374469723.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3279644737) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 36932 + ... + 89012.

It is an arithmetic number, because the mean of its divisors is an integer number (148017044).

Almost surely, 2^3279644732 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 3279644732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3552409056).

3279644732 is an abundant number, since it is smaller than the sum of its proper divisors (3825173380).

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

3279644732 is a wasteful number, since it uses less digits than its factorization.

3279644732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52278 (or 52276 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 47.

The square root of 3279644732 is about 57268.1825449350. The cubic root of 3279644732 is about 1485.7381226258.

The spelling of 3279644732 in words is "three billion, two hundred seventy-nine million, six hundred forty-four thousand, seven hundred thirty-two".