662424 has 32 divisors (see below), whose sum is σ = 1893120. Its totient is φ = 189216.

The previous prime is 662407. The next prime is 662443. The reversal of 662424 is 424266.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 662394 and 662403.

It is a congruent number.

It is an unprimeable number.

662424 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1804 + ... + 2139.

It is an arithmetic number, because the mean of its divisors is an integer number (59160).

2⁶⁶²⁴²⁴ is an apocalyptic number.

It is an amenable number.

662424 is an abundant number, since it is smaller than the sum of its proper divisors (1230696).

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

662424 is a wasteful number, since it uses less digits than its factorization.

662424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3959 (or 3955 counting only the distinct ones).

The product of its digits is 2304, while the sum is 24.

The square root of 662424 is about 813.8943420371. The cubic root of 662424 is about 87.1723364259.

It can be divided in two parts, 6 and 62424, that multiplied together give a square (374544 = 612²).

The spelling of 662424 in words is "six hundred sixty-two thousand, four hundred twenty-four".