1996487586 has 48 divisors (see below), whose sum is σ = 4558170240. Its totient is φ = 629808480.

The previous prime is 1996487459. The next prime is 1996487587. The reversal of 1996487586 is 6857846991.

1996487586 is a `hidden beast` number, since 1 + 9 + 9 + 6 + 48 + 7 + 586 = 666.

It is not an unprimeable number, because it can be changed into a prime (1996487587) 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 23 ways as a sum of consecutive naturals, for example, 401431 + ... + 406373.

It is an arithmetic number, because the mean of its divisors is an integer number (94961880).

Almost surely, 2^1996487586 is an apocalyptic number.

1996487586 is an abundant number, since it is smaller than the sum of its proper divisors (2561682654).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1996487586 is a wasteful number, since it uses less digits than its factorization.

1996487586 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6151 (or 6148 counting only the distinct ones).

The product of its digits is 26127360, while the sum is 63.

The square root of 1996487586 is about 44682.0723109392. The cubic root of 1996487586 is about 1259.1830569809.

The spelling of 1996487586 in words is "one billion, nine hundred ninety-six million, four hundred eighty-seven thousand, five hundred eighty-six".