3309141728 has 12 divisors (see below), whose sum is σ = 6514872840. Its totient is φ = 1654570848.

The previous prime is 3309141709. The next prime is 3309141739. The reversal of 3309141728 is 8271419033.

It is a junction number, because it is equal to n+sod(n) for n = 3309141691 and 3309141700.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51705308 + ... + 51705371.

It is an arithmetic number, because the mean of its divisors is an integer number (542906070).

Almost surely, 2^3309141728 is an apocalyptic number.

It is an amenable number.

3309141728 is a deficient number, since it is larger than the sum of its proper divisors (3205731112).

3309141728 is a wasteful number, since it uses less digits than its factorization.

3309141728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103410689 (or 103410681 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 3309141728 is about 57525.1399650622. The cubic root of 3309141728 is about 1490.1790587026.

The spelling of 3309141728 in words is "three billion, three hundred nine million, one hundred forty-one thousand, seven hundred twenty-eight".