662912 has 16 divisors (see below), whose sum is σ = 1320900. Its totient is φ = 331392.

The previous prime is 662899. The next prime is 662917. The reversal of 662912 is 219266.

It is a tau number, because it is divible by the number of its divisors (16).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (662917) by changing a digit.

662912 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2462 + ... + 2717.

2⁶⁶²⁹¹² is an apocalyptic number.

It is an amenable number.

662912 is a deficient number, since it is larger than the sum of its proper divisors (657988).

662912 is an equidigital number, since it uses as much as digits as its factorization.

662912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5193 (or 5181 counting only the distinct ones).

The product of its digits is 1296, while the sum is 26.

The square root of 662912 is about 814.1940800571. The cubic root of 662912 is about 87.1937374511.

The spelling of 662912 in words is "six hundred sixty-two thousand, nine hundred twelve".