1493303 has 4 divisors (see below), whose sum is σ = 1706640. Its totient is φ = 1279968.

The previous prime is 1493299. The next prime is 1493311. The reversal of 1493303 is 3033941.

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 1493303 - 2² = 1493299 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 (1493333) 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, 106658 + ... + 106671.

It is an arithmetic number, because the mean of its divisors is an integer number (426660).

2^1493303 is an apocalyptic number.

1493303 is a deficient number, since it is larger than the sum of its proper divisors (213337).

1493303 is an equidigital number, since it uses as much as digits as its factorization.

1493303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213336.

The product of its (nonzero) digits is 972, while the sum is 23.

The square root of 1493303 is about 1222.0077741160. The cubic root of 1493303 is about 114.3008111753.

The spelling of 1493303 in words is "one million, four hundred ninety-three thousand, three hundred three".