3347945 has 8 divisors (see below), whose sum is σ = 4126344. Its totient is φ = 2605824.

The previous prime is 3347921. The next prime is 3347947. The reversal of 3347945 is 5497433.

It can be written as a sum of positive squares in 4 ways, for example, as 375769 + 2972176 = 613^2 + 1724^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3347945 - 2⁸ = 3347689 is a prime.

It is a super-2 number, since 2×3347945² = 22417471446050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3347947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8864 + ... + 9233.

It is an arithmetic number, because the mean of its divisors is an integer number (515793).

Almost surely, 2^3347945 is an apocalyptic number.

It is an amenable number.

3347945 is a deficient number, since it is larger than the sum of its proper divisors (778399).

3347945 is a wasteful number, since it uses less digits than its factorization.

3347945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18139.

The product of its digits is 45360, while the sum is 35.

The square root of 3347945 is about 1829.7390524334. The cubic root of 3347945 is about 149.5981093730.

The spelling of 3347945 in words is "three million, three hundred forty-seven thousand, nine hundred forty-five".