1996849938 has 8 divisors (see below), whose sum is σ = 3993699888. Its totient is φ = 665616644.

The previous prime is 1996849913. The next prime is 1996849951. The reversal of 1996849938 is 8399486991.

It is a sphenic number, since it is the product of 3 distinct primes.

1996849938 is an admirable number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 166404156 + ... + 166404167.

It is an arithmetic number, because the mean of its divisors is an integer number (499212486).

Almost surely, 2^1996849938 is an apocalyptic number.

1996849938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1996849938 is a wasteful number, since it uses less digits than its factorization.

1996849938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 332808328.

The product of its digits is 30233088, while the sum is 66.

The square root of 1996849938 is about 44686.1269075761. The cubic root of 1996849938 is about 1259.2592307409.

The spelling of 1996849938 in words is "one billion, nine hundred ninety-six million, eight hundred forty-nine thousand, nine hundred thirty-eight".