668038 has 8 divisors (see below), whose sum is σ = 1145232. Its totient is φ = 286296.

The previous prime is 668033. The next prime is 668047. The reversal of 668038 is 830866.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (668033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23845 + ... + 23872.

It is an arithmetic number, because the mean of its divisors is an integer number (143154).

2⁶⁶⁸⁰³⁸ is an apocalyptic number.

668038 is a deficient number, since it is larger than the sum of its proper divisors (477194).

668038 is a wasteful number, since it uses less digits than its factorization.

668038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47726.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 668038 is about 817.3359162548. The cubic root of 668038 is about 87.4179039506.

The spelling of 668038 in words is "six hundred sixty-eight thousand, thirty-eight".