424469 has 4 divisors (see below), whose sum is σ = 428544. Its totient is φ = 420396.

The previous prime is 424451. The next prime is 424471. The reversal of 424469 is 964424.

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-424469 is a prime.

It is a super-2 number, since 2×424469² = 360347863922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424429) 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, 1877 + ... + 2090.

It is an arithmetic number, because the mean of its divisors is an integer number (107136).

2⁴²⁴⁴⁶⁹ is an apocalyptic number.

It is an amenable number.

424469 is a deficient number, since it is larger than the sum of its proper divisors (4075).

424469 is a wasteful number, since it uses less digits than its factorization.

424469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4074.

The product of its digits is 6912, while the sum is 29.

The square root of 424469 is about 651.5128548233. The cubic root of 424469 is about 75.1534045319.

The spelling of 424469 in words is "four hundred twenty-four thousand, four hundred sixty-nine".