3478243 has 2 divisors, whose sum is σ = 3478244. Its totient is φ = 3478242.

The previous prime is 3478229. The next prime is 3478247. The reversal of 3478243 is 3428743.

It is a happy number.

3478243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (3428743) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3478243 - 2¹⁷ = 3347171 is a prime.

It is a d-powerful number, because it can be written as 3⁶ + 4⁹ + 7⁴ + 8⁷ + 2¹³ + 4¹⁰ + 3¹⁰ .

It is not a weakly prime, because it can be changed into another prime (3478247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1739121 + 1739122.

It is an arithmetic number, because the mean of its divisors is an integer number (1739122).

Almost surely, 2^3478243 is an apocalyptic number.

3478243 is a deficient number, since it is larger than the sum of its proper divisors (1).

3478243 is an equidigital number, since it uses as much as digits as its factorization.

3478243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 31.

The square root of 3478243 is about 1865.0048257310. The cubic root of 3478243 is about 151.5141893640.

It can be divided in two parts, 3478 and 243, that added together give a square (3721 = 61²).

The spelling of 3478243 in words is "three million, four hundred seventy-eight thousand, two hundred forty-three".