1996382688 has 48 divisors (see below), whose sum is σ = 5242882176. Its totient is φ = 665159040.

The previous prime is 1996382683. The next prime is 1996382699. The reversal of 1996382688 is 8862836991.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×1996382688² = 7971087673892210688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996382683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334095 + ... + 340017.

It is an arithmetic number, because the mean of its divisors is an integer number (109226712).

Almost surely, 2^1996382688 is an apocalyptic number.

It is an amenable number.

1996382688 is an abundant number, since it is smaller than the sum of its proper divisors (3246499488).

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

1996382688 is a wasteful number, since it uses less digits than its factorization.

1996382688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9447 (or 9439 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 60.

The square root of 1996382688 is about 44680.8984690326. The cubic root of 1996382688 is about 1259.1610035676.

The spelling of 1996382688 in words is "one billion, nine hundred ninety-six million, three hundred eighty-two thousand, six hundred eighty-eight".