1494403 has 2 divisors, whose sum is σ = 1494404. Its totient is φ = 1494402.

The previous prime is 1494401. The next prime is 1494421. The reversal of 1494403 is 3044941.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1494403 - 2¹ = 1494401 is a prime.

Together with 1494401, it forms a pair of twin primes.

1494403 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (1494401) 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 as a sum of consecutive naturals, namely, 747201 + 747202.

It is an arithmetic number, because the mean of its divisors is an integer number (747202).

2^1494403 is an apocalyptic number.

1494403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1494403 is an equidigital number, since it uses as much as digits as its factorization.

1494403 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 1494403 is about 1222.4577702318. The cubic root of 1494403 is about 114.3288697883.

The spelling of 1494403 in words is "one million, four hundred ninety-four thousand, four hundred three".