1097954384 has 80 divisors (see below), whose sum is σ = 2353309200. Its totient is φ = 493903872.

The previous prime is 1097954369. The next prime is 1097954447. The reversal of 1097954384 is 4834597901.

It can be written as a sum of positive squares in 8 ways, for example, as 122766400 + 975187984 = 11080^2 + 31228^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 859154 + ... + 860430.

It is an arithmetic number, because the mean of its divisors is an integer number (29416365).

Almost surely, 2^1097954384 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 1097954384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1176654600).

1097954384 is an abundant number, since it is smaller than the sum of its proper divisors (1255354816).

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

1097954384 is a wasteful number, since it uses less digits than its factorization.

1097954384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1440 (or 1434 counting only the distinct ones).

The product of its (nonzero) digits is 1088640, while the sum is 50.

The square root of 1097954384 is about 33135.3947313141. The cubic root of 1097954384 is about 1031.6398248348.

The spelling of 1097954384 in words is "one billion, ninety-seven million, nine hundred fifty-four thousand, three hundred eighty-four".