1995634 has 8 divisors (see below), whose sum is σ = 3066588. Its totient is φ = 973440.

The previous prime is 1995629. The next prime is 1995649. The reversal of 1995634 is 4365991.

It can be written as a sum of positive squares in 2 ways, for example, as 1974025 + 21609 = 1405^2 + 147^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 1995593 and 1995602.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12087 + ... + 12250.

2^1995634 is an apocalyptic number.

1995634 is a deficient number, since it is larger than the sum of its proper divisors (1070954).

1995634 is a wasteful number, since it uses less digits than its factorization.

1995634 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24380.

The product of its digits is 29160, while the sum is 37.

The square root of 1995634 is about 1412.6691049216. The cubic root of 1995634 is about 125.9003579407.

The spelling of 1995634 in words is "one million, nine hundred ninety-five thousand, six hundred thirty-four".