3086749 has 2 divisors, whose sum is σ = 3086750. Its totient is φ = 3086748.

The previous prime is 3086737. The next prime is 3086779. The reversal of 3086749 is 9476803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3080025 + 6724 = 1755^2 + 82^2 .

It is a cyclic number.

It is not a de Polignac number, because 3086749 - 2⁵ = 3086717 is a prime.

It is a d-powerful number, because it can be written as 3¹¹ + 0 + 8⁷ + 6⁷ + 7² + 4⁵ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3086729) 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 as a sum of consecutive naturals, namely, 1543374 + 1543375.

It is an arithmetic number, because the mean of its divisors is an integer number (1543375).

Almost surely, 2^3086749 is an apocalyptic number.

It is an amenable number.

3086749 is a deficient number, since it is larger than the sum of its proper divisors (1).

3086749 is an equidigital number, since it uses as much as digits as its factorization.

3086749 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 3086749 is about 1756.9146251312. The cubic root of 3086749 is about 145.6019211647.

The spelling of 3086749 in words is "three million, eighty-six thousand, seven hundred forty-nine".