424897 has 12 divisors (see below), whose sum is σ = 493776. Its totient is φ = 362520.

The previous prime is 424891. The next prime is 424903. The reversal of 424897 is 798424.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (424891) and next prime (424903).

It is not a de Polignac number, because 424897 - 2³ = 424889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (424891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3918 + ... + 4024.

It is an arithmetic number, because the mean of its divisors is an integer number (41148).

2⁴²⁴⁸⁹⁷ is an apocalyptic number.

It is an amenable number.

424897 is a deficient number, since it is larger than the sum of its proper divisors (68879).

424897 is a wasteful number, since it uses less digits than its factorization.

424897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156 (or 137 counting only the distinct ones).

The product of its digits is 16128, while the sum is 34.

The square root of 424897 is about 651.8412383395. The cubic root of 424897 is about 75.1786555727.

The spelling of 424897 in words is "four hundred twenty-four thousand, eight hundred ninety-seven".