427841 has 4 divisors (see below), whose sum is σ = 436992. Its totient is φ = 418692.

The previous prime is 427813. The next prime is 427849. The reversal of 427841 is 148724.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-427841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 427841.

It is not an unprimeable number, because it can be changed into a prime (427849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4505 + ... + 4598.

It is an arithmetic number, because the mean of its divisors is an integer number (109248).

2⁴²⁷⁸⁴¹ is an apocalyptic number.

It is an amenable number.

427841 is a deficient number, since it is larger than the sum of its proper divisors (9151).

427841 is an equidigital number, since it uses as much as digits as its factorization.

427841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9150.

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

The square root of 427841 is about 654.0955587680. The cubic root of 427841 is about 75.3518871643.

The spelling of 427841 in words is "four hundred twenty-seven thousand, eight hundred forty-one".