1023598944 has 120 divisors (see below), whose sum is σ = 3038832720. Its totient is φ = 337976064.

The previous prime is 1023598897. The next prime is 1023598949. The reversal of 1023598944 is 4498953201.

1023598944 is a `hidden beast` number, since 10 + 2 + 3 + 598 + 9 + 44 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 1023598944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1023598949) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 280717 + ... + 284339.

It is an arithmetic number, because the mean of its divisors is an integer number (25323606).

Almost surely, 2^1023598944 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 1023598944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1519416360).

1023598944 is an abundant number, since it is smaller than the sum of its proper divisors (2015233776).

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

1023598944 is a wasteful number, since it uses less digits than its factorization.

1023598944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3754 (or 3737 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The square root of 1023598944 is about 31993.7328863013. The cubic root of 1023598944 is about 1007.8052344787.

The spelling of 1023598944 in words is "one billion, twenty-three million, five hundred ninety-eight thousand, nine hundred forty-four".