959440 has 40 divisors (see below), whose sum is σ = 2276640. Its totient is φ = 375936.

The previous prime is 959389. The next prime is 959449. The reversal of 959440 is 44959.

It is a happy number.

959440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×959440² = 1841050227200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (959449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5271 + ... + 5449.

It is an arithmetic number, because the mean of its divisors is an integer number (56916).

2⁹⁵⁹⁴⁴⁰ 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 959440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1138320).

959440 is an abundant number, since it is smaller than the sum of its proper divisors (1317200).

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

959440 is a wasteful number, since it uses less digits than its factorization.

959440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 253 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 959440 is about 979.5100816224. The cubic root of 959440 is about 98.6292975928.

The spelling of 959440 in words is "nine hundred fifty-nine thousand, four hundred forty".