427849 has 2 divisors, whose sum is σ = 427850. Its totient is φ = 427848.

The previous prime is 427813. The next prime is 427859. The reversal of 427849 is 948724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 413449 + 14400 = 643^2 + 120^2 .

It is a cyclic number.

It is not a de Polignac number, because 427849 - 2¹¹ = 425801 is a prime.

It is not a weakly prime, because it can be changed into another prime (427859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 213924 + 213925.

It is an arithmetic number, because the mean of its divisors is an integer number (213925).

2⁴²⁷⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

427849 is a deficient number, since it is larger than the sum of its proper divisors (1).

427849 is an equidigital number, since it uses as much as digits as its factorization.

427849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16128, while the sum is 34.

The square root of 427849 is about 654.1016740538. The cubic root of 427849 is about 75.3523568180.

The spelling of 427849 in words is "four hundred twenty-seven thousand, eight hundred forty-nine".