1097884672 has 44 divisors (see below), whose sum is σ = 2208999580. Its totient is φ = 545366016.

The previous prime is 1097884661. The next prime is 1097884673. The reversal of 1097884672 is 2764887901.

It can be written as a sum of positive squares in 2 ways, for example, as 455566336 + 642318336 = 21344^2 + 25344^2 .

It is not an unprimeable number, because it can be changed into a prime (1097884673) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 157354 + ... + 164182.

Almost surely, 2^1097884672 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 1097884672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1104499790).

1097884672 is an abundant number, since it is smaller than the sum of its proper divisors (1111114908).

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

1097884672 is an equidigital number, since it uses as much as digits as its factorization.

1097884672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 6988 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The square root of 1097884672 is about 33134.3427881103. The cubic root of 1097884672 is about 1031.6179905344.

The spelling of 1097884672 in words is "one billion, ninety-seven million, eight hundred eighty-four thousand, six hundred seventy-two".