5218989 has 8 divisors (see below), whose sum is σ = 7054272. Its totient is φ = 3431520.

The previous prime is 5218987. The next prime is 5218991. The reversal of 5218989 is 9898125.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5218987) and next prime (5218991).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5218989 - 2¹ = 5218987 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 5218989.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5218987) 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 7 ways as a sum of consecutive naturals, for example, 11697 + ... + 12134.

It is an arithmetic number, because the mean of its divisors is an integer number (881784).

Almost surely, 2^5218989 is an apocalyptic number.

It is an amenable number.

5218989 is a deficient number, since it is larger than the sum of its proper divisors (1835283).

5218989 is a wasteful number, since it uses less digits than its factorization.

5218989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23907.

The product of its digits is 51840, while the sum is 42.

The square root of 5218989 is about 2284.5106697059. The cubic root of 5218989 is about 173.4584496892.

The spelling of 5218989 in words is "five million, two hundred eighteen thousand, nine hundred eighty-nine".