1995387 has 8 divisors (see below), whose sum is σ = 2688336. Its totient is φ = 1316352.

The previous prime is 1995359. The next prime is 1995391. The reversal of 1995387 is 7835991.

It is a happy number.

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

It is not a de Polignac number, because 1995387 - 2¹¹ = 1993339 is a prime.

1995387 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1995317) 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, 3138 + ... + 3719.

It is an arithmetic number, because the mean of its divisors is an integer number (336042).

2^1995387 is an apocalyptic number.

1995387 is a deficient number, since it is larger than the sum of its proper divisors (692949).

1995387 is an equidigital number, since it uses as much as digits as its factorization.

1995387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6957.

The product of its digits is 68040, while the sum is 42.

The square root of 1995387 is about 1412.5816790543. The cubic root of 1995387 is about 125.8951634893.

The spelling of 1995387 in words is "one million, nine hundred ninety-five thousand, three hundred eighty-seven".