1089268 has 6 divisors (see below), whose sum is σ = 1906226. Its totient is φ = 544632.

The previous prime is 1089259. The next prime is 1089299. The reversal of 1089268 is 8629801.

It can be written as a sum of positive squares in only one way, i.e., 1004004 + 85264 = 1002^2 + 292^2 .

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 136155 + ... + 136162.

2^1089268 is an apocalyptic number.

It is an amenable number.

1089268 is a deficient number, since it is larger than the sum of its proper divisors (816958).

1089268 is a wasteful number, since it uses less digits than its factorization.

1089268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272321 (or 272319 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 34.

The square root of 1089268 is about 1043.6800275947. The cubic root of 1089268 is about 102.8912038136.

The spelling of 1089268 in words is "one million, eighty-nine thousand, two hundred sixty-eight".