1084661 has 2 divisors, whose sum is σ = 1084662. Its totient is φ = 1084660.

The previous prime is 1084649. The next prime is 1084669. The reversal of 1084661 is 1664801.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 844561 + 240100 = 919^2 + 490^2 .

It is an emirp because it is prime and its reverse (1664801) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1084661 - 2¹⁸ = 822517 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1084661.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1084669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 542330 + 542331.

It is an arithmetic number, because the mean of its divisors is an integer number (542331).

2^1084661 is an apocalyptic number.

It is an amenable number.

1084661 is a deficient number, since it is larger than the sum of its proper divisors (1).

1084661 is an equidigital number, since it uses as much as digits as its factorization.

1084661 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 1084661 is about 1041.4705948801. The cubic root of 1084661 is about 102.7459412363.

The spelling of 1084661 in words is "one million, eighty-four thousand, six hundred sixty-one".