2397929856 has 192 divisors, whose sum is σ = 7650293760. Its totient is φ = 662860800.

The previous prime is 2397929819. The next prime is 2397929867. The reversal of 2397929856 is 6589297932.

It is a tau number, because it is divible by the number of its divisors (192).

It is a self number, because there is not a number n which added to its sum of digits gives 2397929856.

It is a congruent 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 23 ways as a sum of consecutive naturals, for example, 581241 + ... + 585351.

It is an arithmetic number, because the mean of its divisors is an integer number (39845280).

Almost surely, 2^2397929856 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 2397929856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3825146880).

2397929856 is an abundant number, since it is smaller than the sum of its proper divisors (5252363904).

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

2397929856 is a wasteful number, since it uses less digits than its factorization.

2397929856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4173 (or 4154 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The square root of 2397929856 is about 48968.6619788615. The cubic root of 2397929856 is about 1338.4808387066.

It can be divided in two parts, 23979 and 29856, that added together give a palindrome (53835).

The spelling of 2397929856 in words is "two billion, three hundred ninety-seven million, nine hundred twenty-nine thousand, eight hundred fifty-six".