1097598744 has 144 divisors (see below), whose sum is σ = 3460143960. Its totient is φ = 312998400.

The previous prime is 1097598743. The next prime is 1097598751. The reversal of 1097598744 is 4478957901.

1097598744 is a `hidden beast` number, since 1 + 0 + 9 + 7 + 598 + 7 + 44 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097598743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 144399 + ... + 151809.

Almost surely, 2^1097598744 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 1097598744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1730071980).

1097598744 is an abundant number, since it is smaller than the sum of its proper divisors (2362545216).

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

1097598744 is a wasteful number, since it uses less digits than its factorization.

1097598744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7462 (or 7444 counting only the distinct ones).

The product of its (nonzero) digits is 2540160, while the sum is 54.

The square root of 1097598744 is about 33130.0278297499. The cubic root of 1097598744 is about 1031.5284261546.

The spelling of 1097598744 in words is "one billion, ninety-seven million, five hundred ninety-eight thousand, seven hundred forty-four".