3440343 has 4 divisors (see below), whose sum is σ = 4587128. Its totient is φ = 2293560.

The previous prime is 3440323. The next prime is 3440347. The reversal of 3440343 is 3430443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3430443 = 3 ⋅1143481.

It is not a de Polignac number, because 3440343 - 2¹² = 3436247 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3440347) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 573388 + ... + 573393.

It is an arithmetic number, because the mean of its divisors is an integer number (1146782).

Almost surely, 2^3440343 is an apocalyptic number.

3440343 is a deficient number, since it is larger than the sum of its proper divisors (1146785).

3440343 is a wasteful number, since it uses less digits than its factorization.

3440343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1146784.

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 3440343 is about 1854.8161633973. The cubic root of 3440343 is about 150.9618633863.

Adding to 3440343 its reverse (3430443), we get a palindrome (6870786).

The spelling of 3440343 in words is "three million, four hundred forty thousand, three hundred forty-three".