5489749 has 2 divisors, whose sum is σ = 5489750. Its totient is φ = 5489748.

The previous prime is 5489747. The next prime is 5489807. The reversal of 5489749 is 9479845.

5489749 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5489649 + 100 = 2343^2 + 10^2 .

It is a cyclic number.

It is not a de Polignac number, because 5489749 - 2¹ = 5489747 is a prime.

Together with 5489747, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 5489699 and 5489708.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5489747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2744874 + 2744875.

It is an arithmetic number, because the mean of its divisors is an integer number (2744875).

Almost surely, 2^5489749 is an apocalyptic number.

It is an amenable number.

5489749 is a deficient number, since it is larger than the sum of its proper divisors (1).

5489749 is an equidigital number, since it uses as much as digits as its factorization.

5489749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 362880, while the sum is 46.

The square root of 5489749 is about 2343.0213400650. The cubic root of 5489749 is about 176.4076831066.

It can be divided in two parts, 54897 and 49, that added together give a triangular number (54946 = T₃₃₁).

The spelling of 5489749 in words is "five million, four hundred eighty-nine thousand, seven hundred forty-nine".