2398969944 has 192 divisors, whose sum is σ = 7848672000. Its totient is φ = 646652160.

The previous prime is 2398969933. The next prime is 2398969961. The reversal of 2398969944 is 4499698932.

It is a happy number.

2398969944 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3628974 + ... + 3629634.

It is an arithmetic number, because the mean of its divisors is an integer number (40878500).

Almost surely, 2^2398969944 is an apocalyptic number.

2398969944 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 2398969944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3924336000).

2398969944 is an abundant number, since it is smaller than the sum of its proper divisors (5449702056).

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

2398969944 is a wasteful number, since it uses less digits than its factorization.

2398969944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1078 (or 1071 counting only the distinct ones).

The product of its digits is 30233088, while the sum is 63.

The square root of 2398969944 is about 48979.2807623795. The cubic root of 2398969944 is about 1338.6743301365.

The spelling of 2398969944 in words is "two billion, three hundred ninety-eight million, nine hundred sixty-nine thousand, nine hundred forty-four".