424477 has 4 divisors (see below), whose sum is σ = 432540. Its totient is φ = 416416.

The previous prime is 424471. The next prime is 424481. The reversal of 424477 is 774424.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 290521 + 133956 = 539^2 + 366^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-424477 is a prime.

It is a Duffinian number.

424477 is a modest number, since divided by 477 gives 424 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424471) 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 3 ways as a sum of consecutive naturals, for example, 3952 + ... + 4057.

It is an arithmetic number, because the mean of its divisors is an integer number (108135).

2⁴²⁴⁴⁷⁷ is an apocalyptic number.

It is an amenable number.

424477 is a deficient number, since it is larger than the sum of its proper divisors (8063).

424477 is an equidigital number, since it uses as much as digits as its factorization.

424477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8062.

The product of its digits is 6272, while the sum is 28.

The square root of 424477 is about 651.5189943509. The cubic root of 424477 is about 75.1538766696.

The spelling of 424477 in words is "four hundred twenty-four thousand, four hundred seventy-seven", and thus it is an iban number.