2418389 has 2 divisors, whose sum is σ = 2418390. Its totient is φ = 2418388.

The previous prime is 2418379. The next prime is 2418401. The reversal of 2418389 is 9838142.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 917764 = 1225^2 + 958^2 .

It is a cyclic number.

It is not a de Polignac number, because 2418389 - 2⁴ = 2418373 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a d-powerful number, because it can be written as 2²¹ + 4⁹ + 1 + 8 + 3³ + 8 + 9⁵ .

It is a Curzon number.

It is a plaindrome in base 13.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2418319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1209194 + 1209195.

It is an arithmetic number, because the mean of its divisors is an integer number (1209195).

2^2418389 is an apocalyptic number.

It is an amenable number.

2418389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2418389 is an equidigital number, since it uses as much as digits as its factorization.

2418389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 35.

The square root of 2418389 is about 1555.1170373962. The cubic root of 2418389 is about 134.2276704351.

The spelling of 2418389 in words is "two million, four hundred eighteen thousand, three hundred eighty-nine".