1083655 has 4 divisors (see below), whose sum is σ = 1300392. Its totient is φ = 866920.

The previous prime is 1083613. The next prime is 1083659. The reversal of 1083655 is 5563801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5563801 = 37 ⋅150373.

It is not a de Polignac number, because 1083655 - 2¹³ = 1075463 is a prime.

It is a Duffinian number.

1083655 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1083659) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108361 + ... + 108370.

It is an arithmetic number, because the mean of its divisors is an integer number (325098).

2^1083655 is an apocalyptic number.

1083655 is a deficient number, since it is larger than the sum of its proper divisors (216737).

1083655 is an equidigital number, since it uses as much as digits as its factorization.

1083655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216736.

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 1083655 is about 1040.9875119328. The cubic root of 1083655 is about 102.7141665194.

The spelling of 1083655 in words is "one million, eighty-three thousand, six hundred fifty-five".