424869 has 4 divisors (see below), whose sum is σ = 566496. Its totient is φ = 283244.

The previous prime is 424867. The next prime is 424889. The reversal of 424869 is 968424.

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 not a de Polignac number, because 424869 - 2¹ = 424867 is a prime.

It is a super-2 number, since 2×424869² = 361027334322, which contains 22 as substring.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424861) 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, 70809 + ... + 70814.

It is an arithmetic number, because the mean of its divisors is an integer number (141624).

2⁴²⁴⁸⁶⁹ is an apocalyptic number.

It is an amenable number.

424869 is a deficient number, since it is larger than the sum of its proper divisors (141627).

424869 is a wasteful number, since it uses less digits than its factorization.

424869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141626.

The product of its digits is 13824, while the sum is 33.

The square root of 424869 is about 651.8197603632. The cubic root of 424869 is about 75.1770041540.

The spelling of 424869 in words is "four hundred twenty-four thousand, eight hundred sixty-nine".