1089416 has 8 divisors (see below), whose sum is σ = 2042670. Its totient is φ = 544704.

The previous prime is 1089401. The next prime is 1089421. The reversal of 1089416 is 6149801.

It can be written as a sum of positive squares in only one way, i.e., 556516 + 532900 = 746^2 + 730^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68081 + ... + 68096.

2^1089416 is an apocalyptic number.

It is an amenable number.

1089416 is a deficient number, since it is larger than the sum of its proper divisors (953254).

1089416 is a wasteful number, since it uses less digits than its factorization.

1089416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136183 (or 136179 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 1089416 is about 1043.7509281433. The cubic root of 1089416 is about 102.8958635816.

The spelling of 1089416 in words is "one million, eighty-nine thousand, four hundred sixteen".