5338661 has 4 divisors (see below), whose sum is σ = 5359692. Its totient is φ = 5317632.

The previous prime is 5338657. The next prime is 5338667. The reversal of 5338661 is 1668335.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1668335 = 5 ⋅333667.

It can be written as a sum of positive squares in 2 ways, for example, as 5152900 + 185761 = 2270^2 + 431^2 .

It is a cyclic number.

It is not a de Polignac number, because 5338661 - 2² = 5338657 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5338667) 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 in 3 ways as a sum of consecutive naturals, for example, 10130 + ... + 10643.

It is an arithmetic number, because the mean of its divisors is an integer number (1339923).

Almost surely, 2^5338661 is an apocalyptic number.

It is an amenable number.

5338661 is a deficient number, since it is larger than the sum of its proper divisors (21031).

5338661 is a wasteful number, since it uses less digits than its factorization.

5338661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21030.

The product of its digits is 12960, while the sum is 32.

The square root of 5338661 is about 2310.5542625093. The cubic root of 5338661 is about 174.7742504054.

The spelling of 5338661 in words is "five million, three hundred thirty-eight thousand, six hundred sixty-one".