981233 has 4 divisors (see below), whose sum is σ = 1070448. Its totient is φ = 892020.

The previous prime is 981221. The next prime is 981241. The reversal of 981233 is 332189.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 981233 - 2¹⁶ = 915697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (981263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44591 + ... + 44612.

It is an arithmetic number, because the mean of its divisors is an integer number (267612).

2⁹⁸¹²³³ is an apocalyptic number.

It is an amenable number.

981233 is a deficient number, since it is larger than the sum of its proper divisors (89215).

981233 is a wasteful number, since it uses less digits than its factorization.

981233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89214.

The product of its digits is 1296, while the sum is 26.

The square root of 981233 is about 990.5720569449. The cubic root of 981233 is about 99.3704786783.

It can be divided in two parts, 98 and 1233, that added together give a palindrome (1331).

The spelling of 981233 in words is "nine hundred eighty-one thousand, two hundred thirty-three".