418424 has 16 divisors (see below), whose sum is σ = 791520. Its totient is φ = 207360.

The previous prime is 418423. The next prime is 418427. The reversal of 418424 is 424814.

It is a nude number because it is divisible by every one of its digits.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 418424.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 418424.

It is not an unprimeable number, because it can be changed into a prime (418423) 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, 1409 + ... + 1679.

It is an arithmetic number, because the mean of its divisors is an integer number (49470).

2⁴¹⁸⁴²⁴ is an apocalyptic number.

It is an amenable number.

418424 is a deficient number, since it is larger than the sum of its proper divisors (373096).

418424 is a wasteful number, since it uses less digits than its factorization.

418424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470 (or 466 counting only the distinct ones).

The product of its digits is 1024, while the sum is 23.

The square root of 418424 is about 646.8570166582. The cubic root of 418424 is about 74.7949361247.

The spelling of 418424 in words is "four hundred eighteen thousand, four hundred twenty-four".