3309743 has 4 divisors (see below), whose sum is σ = 3483960. Its totient is φ = 3135528.

The previous prime is 3309739. The next prime is 3309749. The reversal of 3309743 is 3479033.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3309743 - 2² = 3309739 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3309749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87080 + ... + 87117.

It is an arithmetic number, because the mean of its divisors is an integer number (870990).

Almost surely, 2^3309743 is an apocalyptic number.

3309743 is a deficient number, since it is larger than the sum of its proper divisors (174217).

3309743 is a wasteful number, since it uses less digits than its factorization.

3309743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174216.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 3309743 is about 1819.2699085073. The cubic root of 3309743 is about 149.0269308557.

The spelling of 3309743 in words is "three million, three hundred nine thousand, seven hundred forty-three".