662630 has 32 divisors (see below), whose sum is σ = 1292544. Its totient is φ = 243936.

The previous prime is 662617. The next prime is 662639. The reversal of 662630 is 36266.

Added to its reverse (36266) it gives a square (698896 = 836²).

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a plaindrome in base 14.

It is a junction number, because it is equal to n+sod(n) for n = 662596 and 662605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662639) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9857 + ... + 9923.

It is an arithmetic number, because the mean of its divisors is an integer number (40392).

2⁶⁶²⁶³⁰ is an apocalyptic number.

662630 is a deficient number, since it is larger than the sum of its proper divisors (629914).

662630 is a wasteful number, since it uses less digits than its factorization.

662630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140.

The product of its (nonzero) digits is 1296, while the sum is 23.

The square root of 662630 is about 814.0208842530. The cubic root of 662630 is about 87.1813717467.

Adding to 662630 its reverse (36266), we get a palindrome (698896).

The spelling of 662630 in words is "six hundred sixty-two thousand, six hundred thirty".