424197 has 10 divisors (see below), whose sum is σ = 633798. Its totient is φ = 282744.

The previous prime is 424187. The next prime is 424199. The reversal of 424197 is 791424.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 408321 + 15876 = 639^2 + 126^2 .

It is not a de Polignac number, because 424197 - 2¹⁰ = 423173 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 424197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424199) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2538 + ... + 2699.

2⁴²⁴¹⁹⁷ is an apocalyptic number.

It is an amenable number.

424197 is a deficient number, since it is larger than the sum of its proper divisors (209601).

424197 is an equidigital number, since it uses as much as digits as its factorization.

424197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5249 (or 5240 counting only the distinct ones).

The product of its digits is 2016, while the sum is 27.

The square root of 424197 is about 651.3040764497. The cubic root of 424197 is about 75.1373483190.

The spelling of 424197 in words is "four hundred twenty-four thousand, one hundred ninety-seven".