1995886860 has 48 divisors (see below), whose sum is σ = 6096529152. Its totient is φ = 483851200.

The previous prime is 1995886817. The next prime is 1995886891. The reversal of 1995886860 is 686885991.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 1995886794 and 1995886803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1511376 + ... + 1512695.

It is an arithmetic number, because the mean of its divisors is an integer number (127011024).

Almost surely, 2^1995886860 is an apocalyptic number.

1995886860 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1995886860 is an abundant number, since it is smaller than the sum of its proper divisors (4100642292).

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

1995886860 is a wasteful number, since it uses less digits than its factorization.

1995886860 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3024094 (or 3024092 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 60.

The square root of 1995886860 is about 44675.3495789345. The cubic root of 1995886860 is about 1259.0567518495.

The spelling of 1995886860 in words is "one billion, nine hundred ninety-five million, eight hundred eighty-six thousand, eight hundred sixty".