424887 has 4 divisors (see below), whose sum is σ = 566520. Its totient is φ = 283256.

The previous prime is 424867. The next prime is 424889. The reversal of 424887 is 788424.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424887 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424889) 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, 70812 + ... + 70817.

It is an arithmetic number, because the mean of its divisors is an integer number (141630).

2⁴²⁴⁸⁸⁷ is an apocalyptic number.

424887 is a deficient number, since it is larger than the sum of its proper divisors (141633).

424887 is a wasteful number, since it uses less digits than its factorization.

424887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141632.

The product of its digits is 14336, while the sum is 33.

The square root of 424887 is about 651.8335677149. The cubic root of 424887 is about 75.1780657886.

The spelling of 424887 in words is "four hundred twenty-four thousand, eight hundred eighty-seven".