1003343 has 8 divisors (see below), whose sum is σ = 1115856. Its totient is φ = 894400.

The previous prime is 1003337. The next prime is 1003349. The reversal of 1003343 is 3433001.

It is a happy number.

1003343 is nontrivially palindromic in base 16.

It is an interprime number because it is at equal distance from previous prime (1003337) and next prime (1003349).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1003343 - 2⁶ = 1003279 is a prime.

It is a Duffinian number.

1003343 is an undulating number in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1003349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 278 + ... + 1443.

It is an arithmetic number, because the mean of its divisors is an integer number (139482).

2^1003343 is an apocalyptic number.

1003343 is a deficient number, since it is larger than the sum of its proper divisors (112513).

1003343 is a wasteful number, since it uses less digits than its factorization.

1003343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 1003343 is about 1001.6701053740. The cubic root of 1003343 is about 100.1113093896. Note that the first 3 decimals are identical.

Adding to 1003343 its reverse (3433001), we get a palindrome (4436344).

It can be divided in two parts, 100 and 3343, that added together give a palindrome (3443).

The spelling of 1003343 in words is "one million, three thousand, three hundred forty-three".