995440 has 40 divisors (see below), whose sum is σ = 2419488. Its totient is φ = 380160.

The previous prime is 995431. The next prime is 995443. The reversal of 995440 is 44599.

It is a happy number.

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

It is a nialpdrome in base 10.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (995443) 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, 1570 + ... + 2110.

2⁹⁹⁵⁴⁴⁰ 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 995440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209744).

995440 is an abundant number, since it is smaller than the sum of its proper divisors (1424048).

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

995440 is a wasteful number, since it uses less digits than its factorization.

995440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 571 counting only the distinct ones).

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

The square root of 995440 is about 997.7173948569. The cubic root of 995440 is about 99.8477683729.

The spelling of 995440 in words is "nine hundred ninety-five thousand, four hundred forty".