1085749 has 8 divisors (see below), whose sum is σ = 1253120. Its totient is φ = 921456.

The previous prime is 1085737. The next prime is 1085753. The reversal of 1085749 is 9475801.

It is a happy number.

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 1085749 - 2¹⁵ = 1052981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085719) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52 + ... + 1474.

It is an arithmetic number, because the mean of its divisors is an integer number (156640).

2^1085749 is an apocalyptic number.

It is an amenable number.

1085749 is a deficient number, since it is larger than the sum of its proper divisors (167371).

1085749 is a wasteful number, since it uses less digits than its factorization.

1085749 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1539.

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 1085749 is about 1041.9928022784. The cubic root of 1085749 is about 102.7802838336.

The spelling of 1085749 in words is "one million, eighty-five thousand, seven hundred forty-nine".