1083641 has 4 divisors (see below), whose sum is σ = 1167012. Its totient is φ = 1000272.

The previous prime is 1083613. The next prime is 1083659. The reversal of 1083641 is 1463801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1463801 = 733 ⋅1997.

It can be written as a sum of positive squares in 2 ways, for example, as 409600 + 674041 = 640^2 + 821^2 .

It is not a de Polignac number, because 1083641 - 2¹⁸ = 821497 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1083601) 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, 41666 + ... + 41691.

It is an arithmetic number, because the mean of its divisors is an integer number (291753).

2^1083641 is an apocalyptic number.

It is an amenable number.

1083641 is a deficient number, since it is larger than the sum of its proper divisors (83371).

1083641 is an equidigital number, since it uses as much as digits as its factorization.

1083641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83370.

The product of its (nonzero) digits is 576, while the sum is 23.

The square root of 1083641 is about 1040.9807875268. The cubic root of 1083641 is about 102.7137241878.

The spelling of 1083641 in words is "one million, eighty-three thousand, six hundred forty-one".