3495409 has 2 divisors, whose sum is σ = 3495410. Its totient is φ = 3495408.

The previous prime is 3495397. The next prime is 3495413. The reversal of 3495409 is 9045943.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2241009 + 1254400 = 1497^2 + 1120^2 .

It is a cyclic number.

It is not a de Polignac number, because 3495409 - 2¹¹ = 3493361 is a prime.

It is not a weakly prime, because it can be changed into another prime (3495439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1747704 + 1747705.

It is an arithmetic number, because the mean of its divisors is an integer number (1747705).

Almost surely, 2^3495409 is an apocalyptic number.

It is an amenable number.

3495409 is a deficient number, since it is larger than the sum of its proper divisors (1).

3495409 is an equidigital number, since it uses as much as digits as its factorization.

3495409 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19440, while the sum is 34.

The square root of 3495409 is about 1869.6012943941. The cubic root of 3495409 is about 151.7630339274.

The spelling of 3495409 in words is "three million, four hundred ninety-five thousand, four hundred nine".