668362 has 8 divisors (see below), whose sum is σ = 1010592. Its totient is φ = 331500.

The previous prime is 668347. The next prime is 668407. The reversal of 668362 is 263866.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1014 + ... + 1537.

It is an arithmetic number, because the mean of its divisors is an integer number (126324).

2⁶⁶⁸³⁶² is an apocalyptic number.

668362 is a deficient number, since it is larger than the sum of its proper divisors (342230).

668362 is a wasteful number, since it uses less digits than its factorization.

668362 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2684.

The product of its digits is 10368, while the sum is 31.

The square root of 668362 is about 817.5340971482. The cubic root of 668362 is about 87.4320342961.

Subtracting from 668362 its reverse (263866), we obtain a square (404496 = 636²).

The spelling of 668362 in words is "six hundred sixty-eight thousand, three hundred sixty-two".