424660 has 24 divisors (see below), whose sum is σ = 945000. Its totient is φ = 159744.

The previous prime is 424639. The next prime is 424661. The reversal of 424660 is 66424.

It can be written as a sum of positive squares in 4 ways, for example, as 71824 + 352836 = 268^2 + 594^2 .

It is a super-2 number, since 2×424660² = 360672231200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424661) 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 7 ways as a sum of consecutive naturals, for example, 285 + ... + 964.

It is an arithmetic number, because the mean of its divisors is an integer number (39375).

2⁴²⁴⁶⁶⁰ is an apocalyptic number.

It is an amenable number.

424660 is an abundant number, since it is smaller than the sum of its proper divisors (520340).

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

424660 is a wasteful number, since it uses less digits than its factorization.

424660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1275 (or 1273 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 424660 is about 651.6594202496. The cubic root of 424660 is about 75.1646752001.

The spelling of 424660 in words is "four hundred twenty-four thousand, six hundred sixty".