1995272 has 16 divisors (see below), whose sum is σ = 3756240. Its totient is φ = 993616.

The previous prime is 1995271. The next prime is 1995289. The reversal of 1995272 is 2725991.

It is a super-2 number, since 2×1995272² = 7962220707968, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1995271) 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, 3263 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (234765).

2^1995272 is an apocalyptic number.

It is an amenable number.

1995272 is a deficient number, since it is larger than the sum of its proper divisors (1760968).

1995272 is a wasteful number, since it uses less digits than its factorization.

1995272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012 (or 1008 counting only the distinct ones).

The product of its digits is 11340, while the sum is 35.

The square root of 1995272 is about 1412.5409728571. The cubic root of 1995272 is about 125.8927448738.

The spelling of 1995272 in words is "one million, nine hundred ninety-five thousand, two hundred seventy-two".