3290705345 has 8 divisors (see below), whose sum is σ = 3954897576. Its totient is φ = 2628530176.

The previous prime is 3290705311. The next prime is 3290705347. The reversal of 3290705345 is 5435070923.

It can be written as a sum of positive squares in 4 ways, for example, as 107827456 + 3182877889 = 10384^2 + 56417^2 .

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 3290705345 - 2⁶ = 3290705281 is a prime.

It is a super-2 number, since 2×3290705345² = 21657483335223138050, which contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 3290705299 and 3290705308.

It is not an unprimeable number, because it can be changed into a prime (3290705347) 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, 500672 + ... + 507201.

It is an arithmetic number, because the mean of its divisors is an integer number (494362197).

Almost surely, 2^3290705345 is an apocalyptic number.

It is an amenable number.

3290705345 is a deficient number, since it is larger than the sum of its proper divisors (664192231).

3290705345 is a wasteful number, since it uses less digits than its factorization.

3290705345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1008531.

The product of its (nonzero) digits is 113400, while the sum is 38.

The square root of 3290705345 is about 57364.6698325720. The cubic root of 3290705345 is about 1487.4064674847.

The spelling of 3290705345 in words is "three billion, two hundred ninety million, seven hundred five thousand, three hundred forty-five".