1084616249 has 4 divisors (see below), whose sum is σ = 1084684836. Its totient is φ = 1084547664.

The previous prime is 1084616243. The next prime is 1084616317. The reversal of 1084616249 is 9426164801.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 9426164801 = 16103 ⋅585367.

It can be written as a sum of positive squares in 2 ways, for example, as 94381225 + 990235024 = 9715^2 + 31468^2 .

It is a cyclic number.

It is not a de Polignac number, because 1084616249 - 2⁴ = 1084616233 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1084616243) 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, 2807 + ... + 46659.

It is an arithmetic number, because the mean of its divisors is an integer number (271171209).

Almost surely, 2^1084616249 is an apocalyptic number.

It is an amenable number.

1084616249 is a deficient number, since it is larger than the sum of its proper divisors (68587).

1084616249 is an equidigital number, since it uses as much as digits as its factorization.

1084616249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68586.

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 1084616249 is about 32933.5125518066. The cubic root of 1084616249 is about 1027.4452818445.

The spelling of 1084616249 in words is "one billion, eighty-four million, six hundred sixteen thousand, two hundred forty-nine".