1995069 has 8 divisors (see below), whose sum is σ = 2816640. Its totient is φ = 1251776.

The previous prime is 1995061. The next prime is 1995073. The reversal of 1995069 is 9605991.

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 1995069 - 2³ = 1995061 is a prime.

It is a super-2 number, since 2×1995069² = 7960600629522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19509 + ... + 19610.

It is an arithmetic number, because the mean of its divisors is an integer number (352080).

2^1995069 is an apocalyptic number.

It is an amenable number.

1995069 is a deficient number, since it is larger than the sum of its proper divisors (821571).

1995069 is a wasteful number, since it uses less digits than its factorization.

1995069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39139.

The product of its (nonzero) digits is 21870, while the sum is 39.

The square root of 1995069 is about 1412.4691147066. The cubic root of 1995069 is about 125.8884752648. Note that the first 3 decimals are identical.

The spelling of 1995069 in words is "one million, nine hundred ninety-five thousand, sixty-nine".