1996939008 has 216 divisors, whose sum is σ = 6106883328. Its totient is φ = 650529792.

The previous prime is 1996939001. The next prime is 1996939019. The reversal of 1996939008 is 8009396991.

1996939008 is a `hidden beast` number, since 199 + 69 + 390 + 0 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1996939001) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2923435 + ... + 2924117.

It is an arithmetic number, because the mean of its divisors is an integer number (28272608).

Almost surely, 2^1996939008 is an apocalyptic number.

1996939008 is a gapful number since it is divisible by the number (18) 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 1996939008, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3053441664).

1996939008 is an abundant number, since it is smaller than the sum of its proper divisors (4109944320).

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

1996939008 is an frugal number, since it uses more digits than its factorization.

1996939008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 944784, while the sum is 54.

The square root of 1996939008 is about 44687.1235144980. The cubic root of 1996939008 is about 1259.2779536554.

The spelling of 1996939008 in words is "one billion, nine hundred ninety-six million, nine hundred thirty-nine thousand, eight".