5006389 has 4 divisors (see below), whose sum is σ = 5011020. Its totient is φ = 5001760.

The previous prime is 5006383. The next prime is 5006399. The reversal of 5006389 is 9836005.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 4040100 + 966289 = 2010^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 5006389 - 2⁹ = 5005877 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5006389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5006383) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 267 + ... + 3175.

It is an arithmetic number, because the mean of its divisors is an integer number (1252755).

Almost surely, 2^5006389 is an apocalyptic number.

It is an amenable number.

5006389 is a deficient number, since it is larger than the sum of its proper divisors (4631).

5006389 is a wasteful number, since it uses less digits than its factorization.

5006389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4630.

The product of its (nonzero) digits is 6480, while the sum is 31.

The square root of 5006389 is about 2237.4961452481. The cubic root of 5006389 is about 171.0703972429.

It can be divided in two parts, 500 and 6389, that added together give a square (6889 = 83²).

The spelling of 5006389 in words is "five million, six thousand, three hundred eighty-nine".