1089896 has 8 divisors (see below), whose sum is σ = 2043570. Its totient is φ = 544944.

The previous prime is 1089877. The next prime is 1089917. The reversal of 1089896 is 6989801.

It can be written as a sum of positive squares in only one way, i.e., 940900 + 148996 = 970^2 + 386^2 .

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

It is a plaindrome in base 12.

It is an unprimeable number.

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, 68111 + ... + 68126.

2^1089896 is an apocalyptic number.

It is an amenable number.

1089896 is a deficient number, since it is larger than the sum of its proper divisors (953674).

1089896 is a wasteful number, since it uses less digits than its factorization.

1089896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136243 (or 136239 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 41.

The square root of 1089896 is about 1043.9808427361. The cubic root of 1089896 is about 102.9109734394.

The spelling of 1089896 in words is "one million, eighty-nine thousand, eight hundred ninety-six".