955440 has 60 divisors (see below), whose sum is σ = 3211104. Its totient is φ = 254592.

The previous prime is 955439. The next prime is 955441. The reversal of 955440 is 44559.

It is an interprime number because it is at equal distance from previous prime (955439) and next prime (955441).

It is a tau number, because it is divible by the number of its divisors (60).

It is a nialpdrome in base 10 and base 16.

It is not an unprimeable number, because it can be changed into a prime (955441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57 + ... + 1383.

2⁹⁵⁵⁴⁴⁰ is an apocalyptic number.

955440 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 955440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1605552).

955440 is an abundant number, since it is smaller than the sum of its proper divisors (2255664).

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

955440 is a wasteful number, since it uses less digits than its factorization.

955440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1346 (or 1337 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 955440 is about 977.4661119446. The cubic root of 955440 is about 98.4920415809.

Adding to 955440 its reverse (44559), we get a palindrome (999999).

The spelling of 955440 in words is "nine hundred fifty-five thousand, four hundred forty".