1996023328 has 48 divisors (see below), whose sum is σ = 4241897856. Its totient is φ = 919077120.

The previous prime is 1996023317. The next prime is 1996023343. The reversal of 1996023328 is 8233206991.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 178873 + ... + 189703.

It is an arithmetic number, because the mean of its divisors is an integer number (88372872).

Almost surely, 2^1996023328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1996023328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2120948928).

1996023328 is an abundant number, since it is smaller than the sum of its proper divisors (2245874528).

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

1996023328 is a wasteful number, since it uses less digits than its factorization.

1996023328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11297 (or 11289 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 43.

The square root of 1996023328 is about 44676.8768827903. The cubic root of 1996023328 is about 1259.0854470366.

The spelling of 1996023328 in words is "one billion, nine hundred ninety-six million, twenty-three thousand, three hundred twenty-eight".