5249668 has 12 divisors (see below), whose sum is σ = 9727452. Its totient is φ = 2470400.

The previous prime is 5249663. The next prime is 5249683. The reversal of 5249668 is 8669425.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 3378244 = 1368^2 + 1838^2 .

It is a super-2 number, since 2×5249668² = 55118028220448, which contains 22 as substring.

It is a d-powerful number, because it can be written as 5 + 2²¹ + 4¹⁰ + 9⁴ + 6 + 6³ + 8⁷ .

It is a self number, because there is not a number n which added to its sum of digits gives 5249668.

It is not an unprimeable number, because it can be changed into a prime (5249663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38533 + ... + 38668.

It is an arithmetic number, because the mean of its divisors is an integer number (810621).

Almost surely, 2^5249668 is an apocalyptic number.

It is an amenable number.

5249668 is a deficient number, since it is larger than the sum of its proper divisors (4477784).

5249668 is a wasteful number, since it uses less digits than its factorization.

5249668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77222 (or 77220 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 5249668 is about 2291.2153979930. The cubic root of 5249668 is about 173.7976685454.

The spelling of 5249668 in words is "five million, two hundred forty-nine thousand, six hundred sixty-eight".