2321998336 has 160 divisors (see below), whose sum is σ = 5499648000. Its totient is φ = 958943232.

The previous prime is 2321998331. The next prime is 2321998339. The reversal of 2321998336 is 6338991232.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2321998331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16704955 + ... + 16705093.

It is an arithmetic number, because the mean of its divisors is an integer number (34372800).

Almost surely, 2^2321998336 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 2321998336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2749824000).

2321998336 is an abundant number, since it is smaller than the sum of its proper divisors (3177649664).

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

2321998336 is an equidigital number, since it uses as much as digits as its factorization.

2321998336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 302 (or 286 counting only the distinct ones).

The product of its digits is 419904, while the sum is 46.

The square root of 2321998336 is about 48187.1179466048. The cubic root of 2321998336 is about 1324.2011724145.

The spelling of 2321998336 in words is "two billion, three hundred twenty-one million, nine hundred ninety-eight thousand, three hundred thirty-six".