1995512 has 8 divisors (see below), whose sum is σ = 3741600. Its totient is φ = 997752.

The previous prime is 1995481. The next prime is 1995517. The reversal of 1995512 is 2155991.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1995517) 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, 124712 + ... + 124727.

It is an arithmetic number, because the mean of its divisors is an integer number (467700).

2^1995512 is an apocalyptic number.

It is an amenable number.

1995512 is a deficient number, since it is larger than the sum of its proper divisors (1746088).

1995512 is a wasteful number, since it uses less digits than its factorization.

1995512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249445 (or 249441 counting only the distinct ones).

The product of its digits is 4050, while the sum is 32.

The square root of 1995512 is about 1412.6259235905. The cubic root of 1995512 is about 125.8977923139.

The spelling of 1995512 in words is "one million, nine hundred ninety-five thousand, five hundred twelve".