662906 has 8 divisors (see below), whose sum is σ = 1037664. Its totient is φ = 317020.

The previous prime is 662899. The next prime is 662917. The reversal of 662906 is 609266.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 7160 + ... + 7251.

It is an arithmetic number, because the mean of its divisors is an integer number (129708).

2⁶⁶²⁹⁰⁶ is an apocalyptic number.

662906 is a deficient number, since it is larger than the sum of its proper divisors (374758).

662906 is a wasteful number, since it uses less digits than its factorization.

662906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14436.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 662906 is about 814.1903954236. The cubic root of 662906 is about 87.1934743875.

The spelling of 662906 in words is "six hundred sixty-two thousand, nine hundred six".