5387389 has 4 divisors (see below), whose sum is σ = 6157024. Its totient is φ = 4617756.

The previous prime is 5387387. The next prime is 5387399. The reversal of 5387389 is 9837835.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5387389 - 2¹ = 5387387 is a prime.

It is a Duffinian number.

5387389 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5387381) 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, 384807 + ... + 384820.

It is an arithmetic number, because the mean of its divisors is an integer number (1539256).

Almost surely, 2^5387389 is an apocalyptic number.

It is an amenable number.

5387389 is a deficient number, since it is larger than the sum of its proper divisors (769635).

5387389 is an equidigital number, since it uses as much as digits as its factorization.

5387389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 769634.

The product of its digits is 181440, while the sum is 43.

The square root of 5387389 is about 2321.0749664757. The cubic root of 5387389 is about 175.3043845505.

It can be divided in two parts, 5387 and 389, that added together give a square (5776 = 76²).

The spelling of 5387389 in words is "five million, three hundred eighty-seven thousand, three hundred eighty-nine".