981363 has 8 divisors (see below), whose sum is σ = 1313488. Its totient is φ = 651744.

The previous prime is 981319. The next prime is 981373. The reversal of 981363 is 363189.

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

It is not a de Polignac number, because 981363 - 2⁹ = 980851 is a prime.

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 981363.

It is not an unprimeable number, because it can be changed into a prime (981373) 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, 681 + ... + 1557.

It is an arithmetic number, because the mean of its divisors is an integer number (164186).

2⁹⁸¹³⁶³ is an apocalyptic number.

981363 is a deficient number, since it is larger than the sum of its proper divisors (332125).

981363 is a wasteful number, since it uses less digits than its factorization.

981363 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1253.

The product of its digits is 3888, while the sum is 30.

The square root of 981363 is about 990.6376734205. The cubic root of 981363 is about 99.3748668959.

The spelling of 981363 in words is "nine hundred eighty-one thousand, three hundred sixty-three".