1995626 has 4 divisors (see below), whose sum is σ = 2993442. Its totient is φ = 997812.

The previous prime is 1995611. The next prime is 1995629. The reversal of 1995626 is 6265991.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6265991 = 19 ⋅329789.

It can be written as a sum of positive squares in only one way, i.e., 1357225 + 638401 = 1165^2 + 799^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1995626.

It is not an unprimeable number, because it can be changed into a prime (1995629) 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 as a sum of consecutive naturals, namely, 498905 + ... + 498908.

2^1995626 is an apocalyptic number.

1995626 is a deficient number, since it is larger than the sum of its proper divisors (997816).

1995626 is an equidigital number, since it uses as much as digits as its factorization.

1995626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997815.

The product of its digits is 29160, while the sum is 38.

The square root of 1995626 is about 1412.6662733993. Note that the first 3 decimals coincide. The cubic root of 1995626 is about 125.9001897061.

The spelling of 1995626 in words is "one million, nine hundred ninety-five thousand, six hundred twenty-six".