2398986720 has 480 divisors, whose sum is σ = 9451300320. Its totient is φ = 568995840.

The previous prime is 2398986697. The next prime is 2398986731. The reversal of 2398986720 is 276898932.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (480).

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4885675 + ... + 4886165.

It is an arithmetic number, because the mean of its divisors is an integer number (19690209).

Almost surely, 2^2398986720 is an apocalyptic number.

2398986720 is a gapful number since it is divisible by the number (20) 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 2398986720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4725650160).

2398986720 is an abundant number, since it is smaller than the sum of its proper divisors (7052313600).

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

2398986720 is a wasteful number, since it uses less digits than its factorization.

2398986720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 560 (or 543 counting only the distinct ones).

The product of its (nonzero) digits is 2612736, while the sum is 54.

The square root of 2398986720 is about 48979.4520181678. The cubic root of 2398986720 is about 1338.6774505797.

The spelling of 2398986720 in words is "two billion, three hundred ninety-eight million, nine hundred eighty-six thousand, seven hundred twenty".