1996462081 has 4 divisors (see below), whose sum is σ = 2015845312. Its totient is φ = 1977078852.

The previous prime is 1996462079. The next prime is 1996462103. The reversal of 1996462081 is 1802646991.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1996462081 - 2¹ = 1996462079 is a prime.

It is a super-2 number, since 2×1996462081² = 7971721681741701122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1996462681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9691461 + ... + 9691666.

It is an arithmetic number, because the mean of its divisors is an integer number (503961328).

Almost surely, 2^1996462081 is an apocalyptic number.

It is an amenable number.

1996462081 is a deficient number, since it is larger than the sum of its proper divisors (19383231).

1996462081 is a wasteful number, since it uses less digits than its factorization.

1996462081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19383230.

The product of its (nonzero) digits is 186624, while the sum is 46.

The square root of 1996462081 is about 44681.7869047333. The cubic root of 1996462081 is about 1259.1776949640.

The spelling of 1996462081 in words is "one billion, nine hundred ninety-six million, four hundred sixty-two thousand, eighty-one".