983240 has 32 divisors (see below), whose sum is σ = 2263680. Its totient is φ = 384192.

The previous prime is 983239. The next prime is 983243. The reversal of 983240 is 42389.

983240 = 121² + 122² + ... + 167².

It is not an unprimeable number, because it can be changed into a prime (983243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1619 + ... + 2141.

It is an arithmetic number, because the mean of its divisors is an integer number (70740).

2⁹⁸³²⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 983240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1131840).

983240 is an abundant number, since it is smaller than the sum of its proper divisors (1280440).

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

983240 is a wasteful number, since it uses less digits than its factorization.

983240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581 (or 577 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 983240 is about 991.5845904410. The cubic root of 983240 is about 99.4381828594.

The spelling of 983240 in words is "nine hundred eighty-three thousand, two hundred forty".