1995929 has 4 divisors (see below), whose sum is σ = 2149476. Its totient is φ = 1842384.

The previous prime is 1995913. The next prime is 1995937. The reversal of 1995929 is 9295991.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 458329 + 1537600 = 677^2 + 1240^2 .

It is a cyclic number.

It is not a de Polignac number, because 1995929 - 2⁴ = 1995913 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1995929.

It is not an unprimeable number, because it can be changed into a prime (1995979) 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, 76754 + ... + 76779.

It is an arithmetic number, because the mean of its divisors is an integer number (537369).

2^1995929 is an apocalyptic number.

It is an amenable number.

1995929 is a deficient number, since it is larger than the sum of its proper divisors (153547).

1995929 is a wasteful number, since it uses less digits than its factorization.

1995929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153546.

The product of its digits is 65610, while the sum is 44.

The square root of 1995929 is about 1412.7735133418. The cubic root of 1995929 is about 125.9065612786.

The spelling of 1995929 in words is "one million, nine hundred ninety-five thousand, nine hundred twenty-nine".