418427 has 2 divisors, whose sum is σ = 418428. Its totient is φ = 418426.

The previous prime is 418423. The next prime is 418447. The reversal of 418427 is 724814.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 418427 - 2² = 418423 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 418396 and 418405.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418427.

It is not a weakly prime, because it can be changed into another prime (418423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 209213 + 209214.

It is an arithmetic number, because the mean of its divisors is an integer number (209214).

2⁴¹⁸⁴²⁷ is an apocalyptic number.

418427 is a deficient number, since it is larger than the sum of its proper divisors (1).

418427 is an equidigital number, since it uses as much as digits as its factorization.

418427 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1792, while the sum is 26.

The square root of 418427 is about 646.8593355591. The cubic root of 418427 is about 74.7951148782.

The spelling of 418427 in words is "four hundred eighteen thousand, four hundred twenty-seven".