1995256 has 24 divisors (see below), whose sum is σ = 3978720. Its totient is φ = 937856.

The previous prime is 1995223. The next prime is 1995263. The reversal of 1995256 is 6525991.

1995256 = T₂₆₄ + T₂₆₅ + ... + T₃₁₁.

It is a zygodrome in base 2.

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 1881 + ... + 2743.

It is an arithmetic number, because the mean of its divisors is an integer number (165780).

2^1995256 is an apocalyptic number.

It is an amenable number.

1995256 is a deficient number, since it is larger than the sum of its proper divisors (1983464).

1995256 is a wasteful number, since it uses less digits than its factorization.

1995256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903 (or 882 counting only the distinct ones).

The product of its digits is 24300, while the sum is 37.

The square root of 1995256 is about 1412.5353092932. The cubic root of 1995256 is about 125.8924083634.

The spelling of 1995256 in words is "one million, nine hundred ninety-five thousand, two hundred fifty-six".