1084591 has 4 divisors (see below), whose sum is σ = 1098400. Its totient is φ = 1070784.

The previous prime is 1084579. The next prime is 1084609. The reversal of 1084591 is 1954801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1954801 = 821 ⋅2381.

It is a cyclic number.

It is not a de Polignac number, because 1084591 - 2⁹ = 1084079 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 (1084891) 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, 6786 + ... + 6943.

It is an arithmetic number, because the mean of its divisors is an integer number (274600).

2^1084591 is an apocalyptic number.

1084591 is a deficient number, since it is larger than the sum of its proper divisors (13809).

1084591 is an equidigital number, since it uses as much as digits as its factorization.

1084591 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13808.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 1084591 is about 1041.4369880122. The cubic root of 1084591 is about 102.7437309081.

The spelling of 1084591 in words is "one million, eighty-four thousand, five hundred ninety-one".