1995684 has 24 divisors (see below), whose sum is σ = 4902240. Its totient is φ = 630144.

The previous prime is 1995683. The next prime is 1995689. The reversal of 1995684 is 4865991.

It is not an unprimeable number, because it can be changed into a prime (1995683) 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, 4149 + ... + 4604.

It is an arithmetic number, because the mean of its divisors is an integer number (204260).

2^1995684 is an apocalyptic number.

It is an amenable number.

1995684 is an abundant number, since it is smaller than the sum of its proper divisors (2906556).

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

1995684 is a wasteful number, since it uses less digits than its factorization.

1995684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8779 (or 8777 counting only the distinct ones).

The product of its digits is 77760, while the sum is 42.

The square root of 1995684 is about 1412.6868018071. The cubic root of 1995684 is about 125.9014093969.

It can be divided in two parts, 19 and 95684, that added together give a triangular number (95703 = T₄₃₇).

The spelling of 1995684 in words is "one million, nine hundred ninety-five thousand, six hundred eighty-four".