3309732 has 36 divisors (see below), whose sum is σ = 8468460. Its totient is φ = 1089792.

The previous prime is 3309721. The next prime is 3309739. The reversal of 3309732 is 2379033.

It can be written as a sum of positive squares in 2 ways, for example, as 2090916 + 1218816 = 1446^2 + 1104^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a junction number, because it is equal to n+sod(n) for n = 3309696 and 3309705.

It is not an unprimeable number, because it can be changed into a prime (3309739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2688 + ... + 3720.

It is an arithmetic number, because the mean of its divisors is an integer number (235235).

Almost surely, 2^3309732 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 3309732, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4234230).

3309732 is an abundant number, since it is smaller than the sum of its proper divisors (5158728).

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

3309732 is a wasteful number, since it uses less digits than its factorization.

3309732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1132 (or 1127 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 27.

The square root of 3309732 is about 1819.2668853140. The cubic root of 3309732 is about 149.0267657575.

The spelling of 3309732 in words is "three million, three hundred nine thousand, seven hundred thirty-two".