424620 has 72 divisors (see below), whose sum is σ = 1476384. Its totient is φ = 96768.

The previous prime is 424601. The next prime is 424639. The reversal of 424620 is 26424.

424620 is a `hidden beast` number, since 42 + 4 + 620 = 666.

It is an interprime number because it is at equal distance from previous prime (424601) and next prime (424639).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 424593 and 424602.

It is an unprimeable number.

424620 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 23 ways as a sum of consecutive naturals, for example, 1092 + ... + 1428.

2⁴²⁴⁶²⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 424620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738192).

424620 is an abundant number, since it is smaller than the sum of its proper divisors (1051764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

424620 is a wasteful number, since it uses less digits than its factorization.

424620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 359 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 424620 is about 651.6287286485. The cubic root of 424620 is about 75.1623151306.

The spelling of 424620 in words is "four hundred twenty-four thousand, six hundred twenty".