662965 has 8 divisors (see below), whose sum is σ = 807840. Its totient is φ = 522192.

The previous prime is 662957. The next prime is 662999. The reversal of 662965 is 569266.

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

It is a cyclic number.

It is not a de Polignac number, because 662965 - 2³ = 662957 is a prime.

662965 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 662965.

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 7 ways as a sum of consecutive naturals, for example, 655 + ... + 1324.

It is an arithmetic number, because the mean of its divisors is an integer number (100980).

2⁶⁶²⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

662965 is a deficient number, since it is larger than the sum of its proper divisors (144875).

662965 is a wasteful number, since it uses less digits than its factorization.

662965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2051.

The product of its digits is 19440, while the sum is 34.

The square root of 662965 is about 814.2266269289. The cubic root of 662965 is about 87.1960611104.

The spelling of 662965 in words is "six hundred sixty-two thousand, nine hundred sixty-five".