1996331995 has 16 divisors (see below), whose sum is σ = 2881923840. Its totient is φ = 1296864864.

The previous prime is 1996331993. The next prime is 1996332007. The reversal of 1996331995 is 5991336991.

It is a cyclic number.

It is not a de Polignac number, because 1996331995 - 2¹ = 1996331993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1996331993) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500337 + ... + 1501666.

It is an arithmetic number, because the mean of its divisors is an integer number (180120240).

Almost surely, 2^1996331995 is an apocalyptic number.

1996331995 is a deficient number, since it is larger than the sum of its proper divisors (885591845).

1996331995 is a wasteful number, since it uses less digits than its factorization.

1996331995 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002034.

The product of its digits is 1771470, while the sum is 55.

The square root of 1996331995 is about 44680.3311872238. The cubic root of 1996331995 is about 1259.1503457598.

The spelling of 1996331995 in words is "one billion, nine hundred ninety-six million, three hundred thirty-one thousand, nine hundred ninety-five".