1995043 has 8 divisors (see below), whose sum is σ = 2101248. Its totient is φ = 1890504.

The previous prime is 1995031. The next prime is 1995061. The reversal of 1995043 is 3405991.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1995043 - 2⁵ = 1995011 is a prime.

It is a Duffinian number.

1995043 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 1994996 and 1995014.

It is not an unprimeable number, because it can be changed into a prime (1995013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2580 + ... + 3262.

It is an arithmetic number, because the mean of its divisors is an integer number (262656).

2^1995043 is an apocalyptic number.

1995043 is a deficient number, since it is larger than the sum of its proper divisors (106205).

1995043 is a wasteful number, since it uses less digits than its factorization.

1995043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 833.

The product of its (nonzero) digits is 4860, while the sum is 31.

The square root of 1995043 is about 1412.4599109355. The cubic root of 1995043 is about 125.8879283974.

The spelling of 1995043 in words is "one million, nine hundred ninety-five thousand, forty-three".