3440293 has 2 divisors, whose sum is σ = 3440294. Its totient is φ = 3440292.

The previous prime is 3440291. The next prime is 3440309. The reversal of 3440293 is 3920443.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3323329 + 116964 = 1823^2 + 342^2 .

It is a cyclic number.

It is not a de Polignac number, because 3440293 - 2¹ = 3440291 is a prime.

Together with 3440291, it forms a pair of twin primes.

It is an Ulam number.

3440293 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3440291) 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, 1720146 + 1720147.

It is an arithmetic number, because the mean of its divisors is an integer number (1720147).

Almost surely, 2^3440293 is an apocalyptic number.

It is an amenable number.

3440293 is a deficient number, since it is larger than the sum of its proper divisors (1).

3440293 is an equidigital number, since it uses as much as digits as its factorization.

3440293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 25.

The square root of 3440293 is about 1854.8026849237. The cubic root of 3440293 is about 150.9611320513.

The spelling of 3440293 in words is "three million, four hundred forty thousand, two hundred ninety-three".