1097311488 has 216 divisors, whose sum is σ = 3660215328. Its totient is φ = 289271808.

The previous prime is 1097311487. The next prime is 1097311489. The reversal of 1097311488 is 8841137901.

It is an interprime number because it is at equal distance from previous prime (1097311487) and next prime (1097311489).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1097311487) 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 23 ways as a sum of consecutive naturals, for example, 488095 + ... + 490337.

Almost surely, 2^1097311488 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 1097311488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1830107664).

1097311488 is an abundant number, since it is smaller than the sum of its proper divisors (2562903840).

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

1097311488 is a wasteful number, since it uses less digits than its factorization.

1097311488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2289 (or 2268 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 42.

The square root of 1097311488 is about 33125.6922644645. The cubic root of 1097311488 is about 1031.4384301262.

The spelling of 1097311488 in words is "one billion, ninety-seven million, three hundred eleven thousand, four hundred eighty-eight".