5199389 has 4 divisors (see below), whose sum is σ = 5599356. Its totient is φ = 4799424.

The previous prime is 5199329. The next prime is 5199391. The reversal of 5199389 is 9839915.

5199389 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 3422500 + 1776889 = 1850^2 + 1333^2 .

It is a cyclic number.

It is not a de Polignac number, because 5199389 - 2²⁰ = 4150813 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 (5199319) 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 in 3 ways as a sum of consecutive naturals, for example, 199964 + ... + 199989.

It is an arithmetic number, because the mean of its divisors is an integer number (1399839).

Almost surely, 2^5199389 is an apocalyptic number.

It is an amenable number.

5199389 is a deficient number, since it is larger than the sum of its proper divisors (399967).

5199389 is a wasteful number, since it uses less digits than its factorization.

5199389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 399966.

The product of its digits is 87480, while the sum is 44.

The square root of 5199389 is about 2280.2168756502. The cubic root of 5199389 is about 173.2410352627.

The spelling of 5199389 in words is "five million, one hundred ninety-nine thousand, three hundred eighty-nine".