981303 has 8 divisors (see below), whose sum is σ = 1339008. Its totient is φ = 638904.

The previous prime is 981301. The next prime is 981311. The reversal of 981303 is 303189.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 981303 - 2¹ = 981301 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (981301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3675 + ... + 3932.

It is an arithmetic number, because the mean of its divisors is an integer number (167376).

2⁹⁸¹³⁰³ is an apocalyptic number.

981303 is a deficient number, since it is larger than the sum of its proper divisors (357705).

981303 is a wasteful number, since it uses less digits than its factorization.

981303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7653.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 981303 is about 990.6073894334. The cubic root of 981303 is about 99.3728416129.

The spelling of 981303 in words is "nine hundred eighty-one thousand, three hundred three".