1409403 has 4 divisors (see below), whose sum is σ = 1879208. Its totient is φ = 939600.

The previous prime is 1409399. The next prime is 1409407. The reversal of 1409403 is 3049041.

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

It is an interprime number because it is at equal distance from previous prime (1409399) and next prime (1409407).

It is not a de Polignac number, because 1409403 - 2² = 1409399 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1409403.

It is not an unprimeable number, because it can be changed into a prime (1409407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 234898 + ... + 234903.

It is an arithmetic number, because the mean of its divisors is an integer number (469802).

2^1409403 is an apocalyptic number.

1409403 is a deficient number, since it is larger than the sum of its proper divisors (469805).

1409403 is an equidigital number, since it uses as much as digits as its factorization.

1409403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 469804.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 1409403 is about 1187.1827997406. The cubic root of 1409403 is about 112.1187887199.

The spelling of 1409403 in words is "one million, four hundred nine thousand, four hundred three".