1090888 has 8 divisors (see below), whose sum is σ = 2045430. Its totient is φ = 545440.

The previous prime is 1090883. The next prime is 1090889. The reversal of 1090888 is 8880901.

It can be written as a sum of positive squares in only one way, i.e., 708964 + 381924 = 842^2 + 618^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (1090883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68173 + ... + 68188.

2^1090888 is an apocalyptic number.

It is an amenable number.

1090888 is a deficient number, since it is larger than the sum of its proper divisors (954542).

1090888 is a wasteful number, since it uses less digits than its factorization.

1090888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136367 (or 136363 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 34.

The square root of 1090888 is about 1044.4558391813. The cubic root of 1090888 is about 102.9421864263.

The spelling of 1090888 in words is "one million, ninety thousand, eight hundred eighty-eight".