1418399 has 2 divisors, whose sum is σ = 1418400. Its totient is φ = 1418398.

The previous prime is 1418363. The next prime is 1418423. The reversal of 1418399 is 9938141.

It is a strong prime.

It is an emirp because it is prime and its reverse (9938141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1418399 - 2¹⁶ = 1352863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1418299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 709199 + 709200.

It is an arithmetic number, because the mean of its divisors is an integer number (709200).

2^1418399 is an apocalyptic number.

1418399 is a deficient number, since it is larger than the sum of its proper divisors (1).

1418399 is an equidigital number, since it uses as much as digits as its factorization.

1418399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7776, while the sum is 35.

The square root of 1418399 is about 1190.9655746494. The cubic root of 1418399 is about 112.3568285719.

The spelling of 1418399 in words is "one million, four hundred eighteen thousand, three hundred ninety-nine".