1085699 has 4 divisors (see below), whose sum is σ = 1088880. Its totient is φ = 1082520.

The previous prime is 1085687. The next prime is 1085719. The reversal of 1085699 is 9965801.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1085699 - 2⁸ = 1085443 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1081699) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1007 + ... + 1784.

It is an arithmetic number, because the mean of its divisors is an integer number (272220).

2^1085699 is an apocalyptic number.

1085699 is a deficient number, since it is larger than the sum of its proper divisors (3181).

1085699 is an equidigital number, since it uses as much as digits as its factorization.

1085699 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3180.

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

The square root of 1085699 is about 1041.9688095140. The cubic root of 1085699 is about 102.7787060923.

The spelling of 1085699 in words is "one million, eighty-five thousand, six hundred ninety-nine".