981883 has 4 divisors (see below), whose sum is σ = 1122160. Its totient is φ = 841608.

The previous prime is 981823. The next prime is 981887. The reversal of 981883 is 388189.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 388189 = 19 ⋅20431.

It is a cyclic number.

It is not a de Polignac number, because 981883 - 2¹³ = 973691 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (981887) 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, 70128 + ... + 70141.

It is an arithmetic number, because the mean of its divisors is an integer number (280540).

2⁹⁸¹⁸⁸³ is an apocalyptic number.

981883 is a deficient number, since it is larger than the sum of its proper divisors (140277).

981883 is a wasteful number, since it uses less digits than its factorization.

981883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140276.

The product of its digits is 13824, while the sum is 37.

The square root of 981883 is about 990.9000958724. The cubic root of 981883 is about 99.3924158920.

The spelling of 981883 in words is "nine hundred eighty-one thousand, eight hundred eighty-three".