1089695 has 8 divisors (see below), whose sum is σ = 1335744. Its totient is φ = 853024.

The previous prime is 1089679. The next prime is 1089703. The reversal of 1089695 is 5969801.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1089695 - 2⁴ = 1089679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2084 + ... + 2553.

It is an arithmetic number, because the mean of its divisors is an integer number (166968).

2^1089695 is an apocalyptic number.

1089695 is a deficient number, since it is larger than the sum of its proper divisors (246049).

1089695 is an equidigital number, since it uses as much as digits as its factorization.

1089695 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4689.

The product of its (nonzero) digits is 19440, while the sum is 38.

The square root of 1089695 is about 1043.8845721630. The cubic root of 1089695 is about 102.9046467264.

The spelling of 1089695 in words is "one million, eighty-nine thousand, six hundred ninety-five".