3305389 has 2 divisors, whose sum is σ = 3305390. Its totient is φ = 3305388.

The previous prime is 3305381. The next prime is 3305417. The reversal of 3305389 is 9835033.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2418025 + 887364 = 1555^2 + 942^2 .

It is a cyclic number.

It is not a de Polignac number, because 3305389 - 2³ = 3305381 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3305389.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3305381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1652694 + 1652695.

It is an arithmetic number, because the mean of its divisors is an integer number (1652695).

Almost surely, 2^3305389 is an apocalyptic number.

It is an amenable number.

3305389 is a deficient number, since it is larger than the sum of its proper divisors (1).

3305389 is an equidigital number, since it uses as much as digits as its factorization.

3305389 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9720, while the sum is 31.

The square root of 3305389 is about 1818.0728808274. The cubic root of 3305389 is about 148.9615533734.

The spelling of 3305389 in words is "three million, three hundred five thousand, three hundred eighty-nine".