662930 has 8 divisors (see below), whose sum is σ = 1193292. Its totient is φ = 265168.

The previous prime is 662917. The next prime is 662939. The reversal of 662930 is 39266.

It can be written as a sum of positive squares in 2 ways, for example, as 625681 + 37249 = 791^2 + 193^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 662930.

It is not an unprimeable number, because it can be changed into a prime (662939) by changing a digit.

662930 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 3 ways as a sum of consecutive naturals, for example, 33137 + ... + 33156.

2⁶⁶²⁹³⁰ is an apocalyptic number.

662930 is a deficient number, since it is larger than the sum of its proper divisors (530362).

662930 is a wasteful number, since it uses less digits than its factorization.

662930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66300.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 662930 is about 814.2051338576. The cubic root of 662930 is about 87.1945266323.

The spelling of 662930 in words is "six hundred sixty-two thousand, nine hundred thirty".