424628 has 12 divisors (see below), whose sum is σ = 752640. Its totient is φ = 209592.

The previous prime is 424601. The next prime is 424639. The reversal of 424628 is 826424.

It is a junction number, because it is equal to n+sod(n) for n = 424597 and 424606.

It is a congruent number.

It is an unprimeable 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 3 ways as a sum of consecutive naturals, for example, 308 + ... + 971.

It is an arithmetic number, because the mean of its divisors is an integer number (62720).

2⁴²⁴⁶²⁸ is an apocalyptic number.

It is an amenable number.

424628 is a deficient number, since it is larger than the sum of its proper divisors (328012).

424628 is a wasteful number, since it uses less digits than its factorization.

424628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1366 (or 1364 counting only the distinct ones).

The product of its digits is 3072, while the sum is 26.

The square root of 424628 is about 651.6348670843. The cubic root of 424628 is about 75.1627871563.

It can be divided in two parts, 42 and 4628, that multiplied together give a triangular number (194376 = T₆₂₃).

The spelling of 424628 in words is "four hundred twenty-four thousand, six hundred twenty-eight".