1490303 has 4 divisors (see below), whose sum is σ = 1568760. Its totient is φ = 1411848.

The previous prime is 1490299. The next prime is 1490317. The reversal of 1490303 is 3030941.

1490303 is nontrivially palindromic in base 9.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3030941 = 43 ⋅70487.

It is a cyclic number.

It is not a de Polignac number, because 1490303 - 2² = 1490299 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

1490303 is a modest number, since divided by 303 gives 149 as remainder.

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1490353) 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, 39200 + ... + 39237.

It is an arithmetic number, because the mean of its divisors is an integer number (392190).

2^1490303 is an apocalyptic number.

1490303 is a deficient number, since it is larger than the sum of its proper divisors (78457).

1490303 is an equidigital number, since it uses as much as digits as its factorization.

1490303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78456.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 1490303 is about 1220.7796689002. The cubic root of 1490303 is about 114.2242175844.

The spelling of 1490303 in words is "one million, four hundred ninety thousand, three hundred three".