662943 has 8 divisors (see below), whose sum is σ = 890928. Its totient is φ = 438464.

The previous prime is 662941. The next prime is 662947. The reversal of 662943 is 349266.

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 662943 - 2¹ = 662941 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 662943.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662943.

It is not an unprimeable number, because it can be changed into a prime (662941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 396 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (111366).

2⁶⁶²⁹⁴³ is an apocalyptic number.

662943 is a deficient number, since it is larger than the sum of its proper divisors (227985).

662943 is a wasteful number, since it uses less digits than its factorization.

662943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1753.

The product of its digits is 7776, while the sum is 30.

The square root of 662943 is about 814.2131170646. The cubic root of 662943 is about 87.1950965876.

The spelling of 662943 in words is "six hundred sixty-two thousand, nine hundred forty-three".