1995518 has 8 divisors (see below), whose sum is σ = 3420912. Its totient is φ = 855216.

The previous prime is 1995517. The next prime is 1995527. The reversal of 1995518 is 8155991.

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

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 71255 + ... + 71282.

It is an arithmetic number, because the mean of its divisors is an integer number (427614).

2^1995518 is an apocalyptic number.

1995518 is a deficient number, since it is larger than the sum of its proper divisors (1425394).

1995518 is a wasteful number, since it uses less digits than its factorization.

1995518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142546.

The product of its digits is 16200, while the sum is 38.

The square root of 1995518 is about 1412.6280472934. The cubic root of 1995518 is about 125.8979184947.

The spelling of 1995518 in words is "one million, nine hundred ninety-five thousand, five hundred eighteen".