2397804864 has 448 divisors, whose sum is σ = 8520744960. Its totient is φ = 577290240.

The previous prime is 2397804779. The next prime is 2397804881. The reversal of 2397804864 is 4684087932.

It is a tau number, because it is divible by the number of its divisors (448).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10290892 + ... + 10291124.

It is an arithmetic number, because the mean of its divisors is an integer number (19019520).

Almost surely, 2^2397804864 is an apocalyptic number.

2397804864 is a gapful number since it is divisible by the number (24) 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 2397804864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4260372480).

2397804864 is an abundant number, since it is smaller than the sum of its proper divisors (6122940096).

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

2397804864 is a wasteful number, since it uses less digits than its factorization.

2397804864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318 (or 308 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 51.

The square root of 2397804864 is about 48967.3857174344. The cubic root of 2397804864 is about 1338.4575822154.

The spelling of 2397804864 in words is "two billion, three hundred ninety-seven million, eight hundred four thousand, eight hundred sixty-four".