1085439 has 8 divisors (see below), whose sum is σ = 1510272. Its totient is φ = 692120.

The previous prime is 1085431. The next prime is 1085443. The reversal of 1085439 is 9345801.

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 1085439 - 2³ = 1085431 is a prime.

1085439 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1085431) 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, 7797 + ... + 7934.

It is an arithmetic number, because the mean of its divisors is an integer number (188784).

2^1085439 is an apocalyptic number.

1085439 is a deficient number, since it is larger than the sum of its proper divisors (424833).

1085439 is a wasteful number, since it uses less digits than its factorization.

1085439 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757.

The product of its (nonzero) digits is 4320, while the sum is 30.

The square root of 1085439 is about 1041.8440382322. The cubic root of 1085439 is about 102.7705010567.

The spelling of 1085439 in words is "one million, eighty-five thousand, four hundred thirty-nine".