1996549632 has 480 divisors, whose sum is σ = 7629583104. Its totient is φ = 486604800.

The previous prime is 1996549619. The next prime is 1996549663. The reversal of 1996549632 is 2369456991.

1996549632 is a `hidden beast` number, since 1 + 9 + 96 + 549 + 6 + 3 + 2 = 666.

It is a zygodrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6031707 + ... + 6032037.

Almost surely, 2^1996549632 is an apocalyptic number.

1996549632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996549632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3814791552).

1996549632 is an abundant number, since it is smaller than the sum of its proper divisors (5633033472).

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

1996549632 is a wasteful number, since it uses less digits than its factorization.

1996549632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 390 (or 371 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 54.

The square root of 1996549632 is about 44682.7666108535. The cubic root of 1996549632 is about 1259.1961009660.

The spelling of 1996549632 in words is "one billion, nine hundred ninety-six million, five hundred forty-nine thousand, six hundred thirty-two".