1084091 has 4 divisors (see below), whose sum is σ = 1089792. Its totient is φ = 1078392.

The previous prime is 1084087. The next prime is 1084093. The reversal of 1084091 is 1904801.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1904801 = 653 ⋅2917.

It is a cyclic number.

It is not a de Polignac number, because 1084091 - 2² = 1084087 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084093) 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, 2555 + ... + 2948.

It is an arithmetic number, because the mean of its divisors is an integer number (272448).

2^1084091 is an apocalyptic number.

1084091 is a deficient number, since it is larger than the sum of its proper divisors (5701).

1084091 is an equidigital number, since it uses as much as digits as its factorization.

1084091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5700.

The product of its (nonzero) digits is 288, while the sum is 23.

The square root of 1084091 is about 1041.1969074099. The cubic root of 1084091 is about 102.7279400826.

Adding to 1084091 its reverse (1904801), we get a palindrome (2988892).

The spelling of 1084091 in words is "one million, eighty-four thousand, ninety-one".