1086844417 has 4 divisors (see below), whose sum is σ = 1086974640. Its totient is φ = 1086714196.

The previous prime is 1086844399. The next prime is 1086844433. The reversal of 1086844417 is 7144486801.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7144486801 = 46219 ⋅154579.

It is a cyclic number.

It is not a de Polignac number, because 1086844417 - 2¹⁹ = 1086320129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1086844457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51667 + ... + 69592.

It is an arithmetic number, because the mean of its divisors is an integer number (271743660).

Almost surely, 2^1086844417 is an apocalyptic number.

It is an amenable number.

1086844417 is a deficient number, since it is larger than the sum of its proper divisors (130223).

1086844417 is an equidigital number, since it uses as much as digits as its factorization.

1086844417 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130222.

The product of its (nonzero) digits is 172032, while the sum is 43.

The square root of 1086844417 is about 32967.3234734032. The cubic root of 1086844417 is about 1028.1483737778.

The spelling of 1086844417 in words is "one billion, eighty-six million, eight hundred forty-four thousand, four hundred seventeen".