2340403 has 8 divisors (see below), whose sum is σ = 2582496. Its totient is φ = 2107200.

The previous prime is 2340397. The next prime is 2340419. The reversal of 2340403 is 3040432.

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 2340403 - 2¹⁷ = 2209331 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2340493) 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, 1663 + ... + 2728.

It is an arithmetic number, because the mean of its divisors is an integer number (322812).

2^2340403 is an apocalyptic number.

2340403 is a deficient number, since it is larger than the sum of its proper divisors (242093).

2340403 is a wasteful number, since it uses less digits than its factorization.

2340403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445.

The product of its (nonzero) digits is 288, while the sum is 16.

The square root of 2340403 is about 1529.8375730776. The cubic root of 2340403 is about 132.7690604787.

Adding to 2340403 its reverse (3040432), we get a palindrome (5380835).

The spelling of 2340403 in words is "two million, three hundred forty thousand, four hundred three".