1408003 has 4 divisors (see below), whose sum is σ = 1414888. Its totient is φ = 1401120.

The previous prime is 1407997. The next prime is 1408007. The reversal of 1408003 is 3008041.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1408003 - 2⁵ = 1407971 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1408007) 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, 3126 + ... + 3547.

It is an arithmetic number, because the mean of its divisors is an integer number (353722).

2^1408003 is an apocalyptic number.

1408003 is a deficient number, since it is larger than the sum of its proper divisors (6885).

1408003 is an equidigital number, since it uses as much as digits as its factorization.

1408003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6884.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 1408003 is about 1186.5930220594. The cubic root of 1408003 is about 112.0816528295.

The spelling of 1408003 in words is "one million, four hundred eight thousand, three".