5388665 has 4 divisors (see below), whose sum is σ = 6466404. Its totient is φ = 4310928.

The previous prime is 5388623. The next prime is 5388673. The reversal of 5388665 is 5668835.

5388665 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4239481 + 1149184 = 2059^2 + 1072^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5388665 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 538862 + ... + 538871.

It is an arithmetic number, because the mean of its divisors is an integer number (1616601).

Almost surely, 2^5388665 is an apocalyptic number.

It is an amenable number.

5388665 is a deficient number, since it is larger than the sum of its proper divisors (1077739).

5388665 is a wasteful number, since it uses less digits than its factorization.

5388665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1077738.

The product of its digits is 172800, while the sum is 41.

The square root of 5388665 is about 2321.3498228402. The cubic root of 5388665 is about 175.3182237056.

The spelling of 5388665 in words is "five million, three hundred eighty-eight thousand, six hundred sixty-five".