1995516 has 36 divisors (see below), whose sum is σ = 5233592. Its totient is φ = 664848.

The previous prime is 1995481. The next prime is 1995517. The reversal of 1995516 is 6155991.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995517) 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, 55 + ... + 1998.

2^1995516 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 1995516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2616796).

1995516 is an abundant number, since it is smaller than the sum of its proper divisors (3238076).

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

1995516 is a wasteful number, since it uses less digits than its factorization.

1995516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2072 (or 2058 counting only the distinct ones).

The product of its digits is 12150, while the sum is 36.

The square root of 1995516 is about 1412.6273393928. The cubic root of 1995516 is about 125.8978764344.

The spelling of 1995516 in words is "one million, nine hundred ninety-five thousand, five hundred sixteen".