975840 has 96 divisors (see below), whose sum is σ = 3265920. Its totient is φ = 244224.

The previous prime is 975827. The next prime is 975847. The reversal of 975840 is 48579.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 975840.

It is not an unprimeable number, because it can be changed into a prime (975847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9067 + ... + 9173.

It is an arithmetic number, because the mean of its divisors is an integer number (34020).

2⁹⁷⁵⁸⁴⁰ 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 975840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1632960).

975840 is an abundant number, since it is smaller than the sum of its proper divisors (2290080).

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

975840 is a wasteful number, since it uses less digits than its factorization.

975840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 144 (or 136 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 975840 is about 987.8461418662. The cubic root of 975840 is about 99.1880925701.

The spelling of 975840 in words is "nine hundred seventy-five thousand, eight hundred forty".