662983 has 8 divisors (see below), whose sum is σ = 714960. Its totient is φ = 612480.

The previous prime is 662957. The next prime is 662999. The reversal of 662983 is 389266.

It is a happy number.

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 662983 - 2⁵ = 662951 is a prime.

It is a Duffinian number.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 673 + ... + 1333.

It is an arithmetic number, because the mean of its divisors is an integer number (89370).

2⁶⁶²⁹⁸³ is an apocalyptic number.

662983 is a deficient number, since it is larger than the sum of its proper divisors (51977).

662983 is a wasteful number, since it uses less digits than its factorization.

662983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 737.

The product of its digits is 15552, while the sum is 34.

The square root of 662983 is about 814.2376802875. The cubic root of 662983 is about 87.1968502496.

It can be divided in two parts, 66 and 2983, that multiplied together give a triangular number (196878 = T₆₂₇).

The spelling of 662983 in words is "six hundred sixty-two thousand, nine hundred eighty-three".