427019 has 4 divisors (see below), whose sum is σ = 429744. Its totient is φ = 424296.

The previous prime is 427013. The next prime is 427039. The reversal of 427019 is 910724.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 427019 - 2⁸ = 426763 is a prime.

It is a super-2 number, since 2×427019² = 364690452722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426985 and 427003.

It is not an unprimeable number, because it can be changed into a prime (427013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1112 + ... + 1445.

It is an arithmetic number, because the mean of its divisors is an integer number (107436).

2⁴²⁷⁰¹⁹ is an apocalyptic number.

427019 is a deficient number, since it is larger than the sum of its proper divisors (2725).

427019 is a wasteful number, since it uses less digits than its factorization.

427019 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724.

The product of its (nonzero) digits is 504, while the sum is 23.

The square root of 427019 is about 653.4669081139. The cubic root of 427019 is about 75.3035990066.

The spelling of 427019 in words is "four hundred twenty-seven thousand, nineteen".