1086691488 has 96 divisors (see below), whose sum is σ = 2991292416. Its totient is φ = 344771328.

The previous prime is 1086691483. The next prime is 1086691519. The reversal of 1086691488 is 8841966801.

It is a tau number, because it is divible by the number of its divisors (96).

It is a self number, because there is not a number n which added to its sum of digits gives 1086691488.

It is not an unprimeable number, because it can be changed into a prime (1086691481) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 491281 + ... + 493487.

It is an arithmetic number, because the mean of its divisors is an integer number (31159296).

Almost surely, 2^1086691488 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 1086691488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1495646208).

1086691488 is an abundant number, since it is smaller than the sum of its proper divisors (1904600928).

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

1086691488 is a wasteful number, since it uses less digits than its factorization.

1086691488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2466 (or 2458 counting only the distinct ones).

The product of its (nonzero) digits is 663552, while the sum is 51.

The square root of 1086691488 is about 32965.0039890791. The cubic root of 1086691488 is about 1028.1001482067.

The spelling of 1086691488 in words is "one billion, eighty-six million, six hundred ninety-one thousand, four hundred eighty-eight".