424087 has 4 divisors (see below), whose sum is σ = 425896. Its totient is φ = 422280.

The previous prime is 424079. The next prime is 424091. The reversal of 424087 is 780424.

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 424087 - 2³ = 424079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424007) 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 in 3 ways as a sum of consecutive naturals, for example, 489 + ... + 1042.

It is an arithmetic number, because the mean of its divisors is an integer number (106474).

2⁴²⁴⁰⁸⁷ is an apocalyptic number.

424087 is a deficient number, since it is larger than the sum of its proper divisors (1809).

424087 is a wasteful number, since it uses less digits than its factorization.

424087 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1808.

The product of its (nonzero) digits is 1792, while the sum is 25.

The square root of 424087 is about 651.2196250114. The cubic root of 424087 is about 75.1308530484.

The spelling of 424087 in words is "four hundred twenty-four thousand, eighty-seven".