662963 has 4 divisors (see below), whose sum is σ = 757680. Its totient is φ = 568248.

The previous prime is 662957. The next prime is 662999. The reversal of 662963 is 369266.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 369266 = 2 ⋅184633.

It is a cyclic number.

It is not a de Polignac number, because 662963 - 2⁴ = 662947 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 662963.

It is not an unprimeable number, because it can be changed into a prime (662953) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 47348 + ... + 47361.

It is an arithmetic number, because the mean of its divisors is an integer number (189420).

2⁶⁶²⁹⁶³ is an apocalyptic number.

662963 is a deficient number, since it is larger than the sum of its proper divisors (94717).

662963 is an equidigital number, since it uses as much as digits as its factorization.

662963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94716.

The product of its digits is 11664, while the sum is 32.

The square root of 662963 is about 814.2253987687. The cubic root of 662963 is about 87.1959734274.

The spelling of 662963 in words is "six hundred sixty-two thousand, nine hundred sixty-three".