1995765 has 8 divisors (see below), whose sum is σ = 3193248. Its totient is φ = 1064400.

The previous prime is 1995727. The next prime is 1995769. The reversal of 1995765 is 5675991.

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

It is not a de Polignac number, because 1995765 - 2¹⁵ = 1962997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995769) 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, 66511 + ... + 66540.

It is an arithmetic number, because the mean of its divisors is an integer number (399156).

2^1995765 is an apocalyptic number.

1995765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1995765 is a deficient number, since it is larger than the sum of its proper divisors (1197483).

1995765 is a wasteful number, since it uses less digits than its factorization.

1995765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133059.

The product of its digits is 85050, while the sum is 42.

The square root of 1995765 is about 1412.7154702912. The cubic root of 1995765 is about 125.9031127187.

The spelling of 1995765 in words is "one million, nine hundred ninety-five thousand, seven hundred sixty-five".