3347940305 has 16 divisors (see below), whose sum is σ = 4334120784. Its totient is φ = 2473236480.

The previous prime is 3347940259. The next prime is 3347940307. The reversal of 3347940305 is 5030497433.

3347940305 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 114425809 + 3233514496 = 10697^2 + 56864^2 .

It is not a de Polignac number, because 3347940305 - 2⁶ = 3347940241 is a prime.

It is a super-2 number, since 2×3347940305² = 22417408571686986050, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3347940307) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 367076 + ... + 376085.

It is an arithmetic number, because the mean of its divisors is an integer number (270882549).

Almost surely, 2^3347940305 is an apocalyptic number.

It is an amenable number.

3347940305 is a deficient number, since it is larger than the sum of its proper divisors (986180479).

3347940305 is a wasteful number, since it uses less digits than its factorization.

3347940305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 743236.

The product of its (nonzero) digits is 136080, while the sum is 38.

The square root of 3347940305 is about 57861.3887233965. The cubic root of 3347940305 is about 1495.9803944319.

The spelling of 3347940305 in words is "three billion, three hundred forty-seven million, nine hundred forty thousand, three hundred five".