1089317588 has 6 divisors (see below), whose sum is σ = 1906305786. Its totient is φ = 544658792.

The previous prime is 1089317527. The next prime is 1089317591. The reversal of 1089317588 is 8857139801.

It can be written as a sum of positive squares in only one way, i.e., 888755344 + 200562244 = 29812^2 + 14162^2 .

It is a super-2 number, since 2×1089317588² = 2373225615052275488, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 136164695 + ... + 136164702.

It is an arithmetic number, because the mean of its divisors is an integer number (317717631).

Almost surely, 2^1089317588 is an apocalyptic number.

It is an amenable number.

1089317588 is a deficient number, since it is larger than the sum of its proper divisors (816988198).

1089317588 is a wasteful number, since it uses less digits than its factorization.

1089317588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272329401 (or 272329399 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 50.

The square root of 1089317588 is about 33004.8115886154. The cubic root of 1089317588 is about 1028.9276513477.

The spelling of 1089317588 in words is "one billion, eighty-nine million, three hundred seventeen thousand, five hundred eighty-eight".