983720 has 16 divisors (see below), whose sum is σ = 2213460. Its totient is φ = 393472.

The previous prime is 983701. The next prime is 983737. The reversal of 983720 is 27389.

It can be written as a sum of positive squares in 2 ways, for example, as 894916 + 88804 = 946^2 + 298^2 .

It is an unprimeable number.

983720 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12257 + ... + 12336.

2⁹⁸³⁷²⁰ is an apocalyptic number.

It is an amenable number.

983720 is an abundant number, since it is smaller than the sum of its proper divisors (1229740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

983720 is a wasteful number, since it uses less digits than its factorization.

983720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24604 (or 24600 counting only the distinct ones).

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 983720 is about 991.8265977478. The cubic root of 983720 is about 99.4543615349.

The spelling of 983720 in words is "nine hundred eighty-three thousand, seven hundred twenty".