1086439 has 8 divisors (see below), whose sum is σ = 1153280. Its totient is φ = 1020600.

The previous prime is 1086433. The next prime is 1086443. The reversal of 1086439 is 9346801.

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 1086439 - 2¹³ = 1078247 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1086439.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1086433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3874 + ... + 4144.

It is an arithmetic number, because the mean of its divisors is an integer number (144160).

2^1086439 is an apocalyptic number.

1086439 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

1086439 is a deficient number, since it is larger than the sum of its proper divisors (66841).

1086439 is a wasteful number, since it uses less digits than its factorization.

1086439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 501.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 1086439 is about 1042.3238460287. The cubic root of 1086439 is about 102.8020517186.

The spelling of 1086439 in words is "one million, eighty-six thousand, four hundred thirty-nine".