4013343 has 18 divisors (see below), whose sum is σ = 6162104. Its totient is φ = 2516544.

The previous prime is 4013329. The next prime is 4013363. The reversal of 4013343 is 3433104.

It is not a de Polignac number, because 4013343 - 2¹⁴ = 3996959 is a prime.

It is a super-2 number, since 2×4013343² = 32213844071298, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4013323) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1830 + ... + 3372.

Almost surely, 2^4013343 is an apocalyptic number.

4013343 is a deficient number, since it is larger than the sum of its proper divisors (2148761).

4013343 is a wasteful number, since it uses less digits than its factorization.

4013343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1583 (or 1563 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 4013343 is about 2003.3329728230. The cubic root of 4013343 is about 158.9164150687.

Adding to 4013343 its reverse (3433104), we get a palindrome (7446447).

It can be divided in two parts, 4013 and 343, that added together give a square (4356 = 66²).

The spelling of 4013343 in words is "four million, thirteen thousand, three hundred forty-three".