1996458546 has 16 divisors (see below), whose sum is σ = 4227794784. Its totient is φ = 626339904.

The previous prime is 1996458539. The next prime is 1996458547. The reversal of 1996458546 is 6458546991.

It is not an unprimeable number, because it can be changed into a prime (1996458547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9786460 + ... + 9786663.

It is an arithmetic number, because the mean of its divisors is an integer number (264237174).

Almost surely, 2^1996458546 is an apocalyptic number.

1996458546 is an abundant number, since it is smaller than the sum of its proper divisors (2231336238).

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

1996458546 is a wasteful number, since it uses less digits than its factorization.

1996458546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19573145.

The product of its digits is 9331200, while the sum is 57.

The square root of 1996458546 is about 44681.7473472110. The cubic root of 1996458546 is about 1259.1769517834.

The spelling of 1996458546 in words is "one billion, nine hundred ninety-six million, four hundred fifty-eight thousand, five hundred forty-six".